There are 80 people in a choir.
Half of the people in the choir are women

The number of men in he choir is one quarter of the number of women

the number of children in the choir : the number of men in the choir = n:1

Work out the value of n.
You must show how you get your answer.

Answers

Answer 1

Answer:

We know that half of the choir members are women, which means:

Number of women = 80/2 = 40

We also know that the number of men is one-quarter of the number of women, which means:

Number of men = 40/4 = 10

Now, we're given that the ratio of children to men in the choir is n:1. Let's call the number of children in the choir "c".

So, we have:

c : 10 = n : 1

We can cross-multiply to get:

c = 10n

Since we know that the total number of people in the choir is 80, we can set up another equation:

40 (women) + 10 (men) + c (children) = 80

Substituting c = 10n, we get:

40 + 10 + 10n = 80

Simplifying the left side, we get:

50 + 10n = 80

Subtracting 50 from both sides, we get:

10n = 30

Dividing both sides by 10, we get:

n = 3

Therefore, the value of n is 3


Related Questions

A party rental company has chairs and tables for rent. The total cost to rent 3 chairs and 5 tables is $55. The total cost to rent 6 chairs and 2 tables is $28. What is the cost to rent each chair and each table?
Chair:
Table:
I truly would appreciate if someone could help me understand or solve this quickly :)

Answers

The solution is: the cost of renting one chair is $2.25

the cost of renting one table is $8.25.

What is equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign. In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.

here, we have,

Let x represent the cost of renting one chair.

Let y represent the cost of renting one table.

The total cost to rent 3 chairs and 5 tables is $48. This means that

3x + 5y = 48 - - - - - - - - - -1

The total cost to rent 6 chairs and 2 tables is $30. This means that

6x + 2y = 30 - - - - - - - - - -2

Multiplying equation 1 by 6 and equation equation 2 by 3, it becomes

18x + 30y = 288

18x + 6y = 90

Subtracting, it becomes

24y = 198

y = 198/24 = 8.25

Substituting y = 8.25 into equation 1, it becomes

3x + 5 × 8.25 = 48

3x + 41.25 = 48

3x = 48 - 41.25

= 6.75

x = 6.75/3

= 2.25

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a equation of a line that passes through point. (-3, 1) and point (4, 8).

Answers

y=1x+4

You can find this answer out by plotting these two lines into a graphing calculator and see what the line intercepts through

The measure of central location most often reported for annual income and property value data is the__
A. Mode
B. Median
C. aggregate mean
D. weighted mean

Answers

The answer is the Median

Ayuda las necesito para mañana y no le entiendo

Answers

If two angles add up to 180°, they are Supplementary angles.If two angles add up to 90°, they are Complementary anglesWhere one angle of a pair of complementary angles is given, the measure of the other angle if one is 45° is a(45°), if one is 82°, the other is b(8°), if one is 23°, the other is c(67°)Where one angle of a pair of supplementary angles is given. The measurement of the other angle if one is: 173° is (7°)75° is (105°92° is (88°)The two pair of supplementary angles in the figure are:
∠DAE +∠ BEA;   and ∠DEC + ∠CEB. Recall that angles on a straight line are supplementary.Angle X = 110°

Why are supplementary Angles important?

Supplementary angles are important in mathematics because they have a sum of 180 degrees.

This property is used in various geometric constructions and proofs, as well as in solving real-world problems involving angles. For example, in trigonometry, the concept of supplementary angles is used to determine the values of trigonometric functions for angles greater than 90 degrees.

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Seraphina is driving two hours to visit her family. For the first hour, she traveled at a speed of 60 miles per hour. Then, in the second hour, she traveled at a speed of 74 miles per hour. What is the percentage increase of Seraphina's speed? If necessary, round to the nearest tenth of a percent

Answers

Seraphina's speed has increased by a factor of around 23% compared to the first hour.

What Is a Change in Percentage?

The ratio of the difference in the amount to its starting value multiplied by 100 is known as the percentage change. When a number's final value is determined by increasing or decreasing a percentage of its starting value, the percentage change of that quantity will always change.

How can you determine the percentage to the closest tenth?

Rounding to the closest tenth entails adding one integer after the decimal point. The number in the thousandths place, or the second number from the right of the decimal, must be considered while rounding. If the amount is five or more, we add one percent to the number in the tenth position.

Percent Change Formula = [tex]\frac{ (Final value -Initial value)}{ (Initial value)}[/tex]× 100

Percent Change               = [tex]\frac{(74-60)}{60}[/tex]× 100

…                                     = [tex]\frac{14}{60}[/tex] × 100

...                                     ≈ 0.23333 × 100

Percent Change             ≈ 23.33%

The pace of Seraphina increased by around 23% in the second hour compared to the first.

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Mandisa interpreted the range of the data set, 5, as meaning half the cats at the shelter weigh no more than 5 pounds. Do you agree with mandisa's interpretation

Answers

No, Mandisa's interpretation is incorrect because range does not describes the weight of the cats.

The range of a data set is the difference between the largest and smallest values in the set. In this case, the range of the data set is 5, which means the difference between the highest value and the lowest value is 5. This does not necessarily mean that half the cats at the shelter weigh no more than 5 pounds.

For example, if the smallest value is 2 and the largest value is 7, the range would be 7 - 2 = 5. This means that the range of the data set is 5, and yet the weight of a cat can be 7 pounds (more than 5 pounds). It does not mean that half the cats weigh no more than 5 pounds.

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Bailey is asked to draw a circle. She is given the center and two points on the circle, but she isn't told which point is which. The points are (-6, 3), (-15, 3), and (3,3). Bailey draws an accurate circle from this information. What is the equation of the circle she drew?
O (= - 6)3 + (3 - 3)? = 3
O (= - 3)? + (y - 3)? = 3
O (* + 6)3 + (y - 3)? = 81
О (= - 3)3 + (y - 3)? = 81
〇(c+15)+(- 3) = 81
O (= - 6)? + (3 - 3)? = 81

Answers

The equation of circle with center ( -6 , 3 ) is ( x + 6 )² + ( y - 3 )² = 9² , where the radius of circle r = 3 units

What is a Circle?

A circle is a closed figure in which the set of all the points in the plane is equidistant from a given point called “center”. Every line that passes through the circle forms the line of reflection symmetry. Also, the circle has rotational symmetry around the center for every angle

The circumference of circle = 2πr

The area of the circle = πr²

where r is the radius of the circle

The standard form of a circle is

( x - h )² + ( y - k )² = r²,

where r is the radius of the circle and (h,k) is the center of the circle.

The equation of circle is ( x - h )² + ( y - k )² = r²

For a unit circle , the radius r = 1

x² + y² = r² be equation (1)

Now , for a unit circle , the terminal side of angle θ is ( cos θ , sin θ )

Given data ,

Let the radius of the circle be represented as r

Now , the first point is A ( -6 , 3 )

Let the second point be B ( -15 , 3 )

Let the third point be C ( 3 , 3 )

And , from the distance formula ,

Distance D = √ ( x₂ - x₁ )² + ( y₂ - y₁ )²

The distance of AB = √ ( -15 + 6 )² + ( 3 - 3 )² = 9 units

The distance of AC = √ ( 3 + 6 )² + ( 3 - 3 )² = 9 units

The distance of BC = √ ( -15 - 3 )² + ( 3 - 3 )² = 18 units

So , the measure of AB = AC and the radius of the circle r = 3 units

Now , the center of the circle is A ( -6 , 3 )

where the standard form of a circle is

( x - h )² + ( y - k )² = r²,

On simplifying , we get

( x + 6 )² + ( y - 3 )² = 9²

Hence , the equation of circle is ( x + 6 )² + ( y - 3 )² = 9²

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Is 59 a Prime or Composite Number?

Answers

59 is a prime number.

This means that it cannot be divided evenly by any other number except for 1 and itself. A composite number, on the other hand, can be divided evenly by at least one other number besides 1 and itself.

To determine if a number is prime or composite, you can use a simple test. Start by dividing the number by 2. If the result is a whole number, then the number is composite.

If the result is not a whole number, try dividing by 3, 4, 5, and so on until you find a whole number result or until you reach the square root of the original number. If you reach the square root without finding a whole number result, then the number is prime.

For example, with the number 59:

59 / 2 = 29.5 (not a whole number)
59 / 3 = 19.67 (not a whole number)
59 / 4 = 14.75 (not a whole number)
59 / 5 = 11.8 (not a whole number)
59 / 6 = 9.83 (not a whole number)
59 / 7 = 8.43 (not a whole number)
59 / 8 = 7.38 (not a whole number)

Since we have reached the square root of 59 without finding a whole number result, we can conclude that 59 is a prime number.

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Instead of charging admission to the fall dance, one high school required that each person bring one can of food for a local food pantry. 100 people came to the dance, and 46 of them brought a can of corn.
What is the probability that a randomly selected can of food will be corn?

Write your answer as a fraction or whole

number. P(corn) =​

Answers

Answer: 0.46.

Step-by-step explanation:

The probability that a randomly selected can of food will be corn is equal to the fraction of cans that are corn, out of the total number of cans.

Since 46 out of 100 people brought a can of corn, we can assume that there were 46 cans of corn donated. We do not know how many total cans were donated, but we can find out by using the fact that each person was required to bring one can of food. Therefore, the total number of cans donated is equal to the total number of people who attended the dance, which is 100.

So, the probability of selecting a can of corn is:

P(corn) = Number of cans of corn / Total number of cans

P(corn) = 46 / 100

Simplifying the fraction, we get:

P(corn) = 23 / 50

Therefore, the probability that a randomly selected can of food will be corn is 23/50 or approximately 0.46.

A circular pizza is divided into eight equal slices. The outer edge of the crust from one piece measures 5. 5 inches. What is the diameter of the pizza to the nearest inch?.

Answers

The diameter of the pizza to the nearest inch is 11 inches.

Let's call the diameter of the pizza "d". The circumference of the pizza can be calculated using the formula:

C = πd

And since the outer edge of the crust from one piece measures 5.5 inches, that length is equal to 1/8 of the circumference of the pizza:

5.5 = (1/8)C

So we can substitute the formula for the circumference into this equation:

5.5 = (1/8)(πd)

Solving for d, we can multiply both sides by 8/π:

d = (5.5)(8/π)

Calculating the approximate value of π as 3.14, we get:

d ≈ (5.5)(8/3.14) = 11 inches

So the diameter of the pizza is approximately 11 inches, rounded to the nearest inch.

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Shawna is playing a game that involves rolling a black numbered cube and a red numbered cube. The result of a red numbered cube represents a negative number, and the result of a black numbered cube represents a positive number. Shawna’s current score is 4. Then, Shawna rolls a red 5 and a black 3. Write and solve an equation to represent Shawna’s new score.

Answers

Shawna's new score is 2 and the equation to represent Shawna’s new score would be, New score = Current score + Result of black cube + Result of red cube

What exactly are algebraic expressions?

Algebraic expressions are expressions made up of variables and constants. Additional algebraic operations include addition, subtraction, and division.

If the result of a red numbered cube represents a negative number, then we can represent the result of the red cube as -5. Similarly, if the result of a black numbered cube represents a positive number, we can represent the result of the black cube as +3.

Shawna's current score is 4, and her new score is obtained by adding the results of the two cubes to her current score. We can represent this situation with the following equation:

New score = Current score + Result of black cube + Result of red cube

Substituting the values we have for the result of the black cube, the result of the red cube, and Shawna's current score, we get:

New score = 4 + 3 + (-5)

Simplifying, we get:

New score = 2

Therefore, Shawna's new score is 2 and the equation to represent Shawna’s new score would be, New score = Current score + Result of black cube + Result of red cube.

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How would you solve this problem?

Answers

Measure of angle V is 103°.

What is Polygons?

Polygons are closed figures which has at least three set of line segments joined together.

The polygon with least number of sides is triangle.

Here is a six sided polygon, which is hexagon.

Sum of interior angles of a polygon = (n - 2) 180, where n is the number of sides of the polygon.

Sum of the interior angles of the given polygon = (6 - 2) 180 = 720

So,

∠S + ∠T + ∠U + ∠V + ∠W + ∠X = 720°

90° + (9x - 19)° + 111° + (5x + 8)° + 128° + (7x + 3)° = 720°

9x + 5x + 7x + 90 - 19 + 111 + 8 + 128 + 3 = 720

21x + 321 = 720

21x = 399

x = 19

∠V = (5 × 19) + 8 = 103°

Hence the angle V is of measure 103°.

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PLEASE IM DESPERATE

Answers

The number of rectangular table is equal to 5 rectangular tables.

The number of circular table is equal to 5 circular tables.

How to write a linear system of equations to model this situation?

In order to write a linear system of equations to describe this situation, we would a assign variable to the number of circular table and the number of rectangular table respectively, and then translate the word problem into a linear equation as follows:

Let the variable x represent the number of circular table.Let the variable y represent the number of rectangular table.

Since there are 9 tables and 80 chairs set up with 8 chairs each for the circular table and 10 chairs each for the rectangular table, a linear equation to model this situation is given by:

8x + 10y = 80    .......equation 1.

x + y = 9            .......equation 2.

In this scenario, we would use an online graphing calculator to plot the linear system of equations in order to determine the solution (point of intersection) as shown in the image attached below, which is at the ordered pair (5, 4).

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The equation m=35g
m
=
35
g
gives the distance in miles, "m," that a truck can travel using "g" gallons of gas. What is the inverse function that represents the gallons as a function of miles?

Answers

The inverse function that represents the gallons g as a function of miles m is:

               g = m/35.

What is meant by the inverse of a function?

A function takes in values, applies specific operations to them, and produces an output. The inverse function acts, agrees with the outcome, and returns to the initial function.

A function that can reverse into another function is known as an inverse function. In other words, the inverse of a function "f" will take y to x if any function "f" takes x to y. When a function is written as "f" or "F," its inverse is written as " f ⁻¹ " or " F ⁻¹."

Given a function m = 35g

 where m = distance in miles travelled by the truck

            g = gallons of gas used to travel m distance

If the function is m = 35g

Then the inverse function is g = m/35.

The inverse of the given function tells us how many gallons of gas are needed for a given number of miles.

Therefore the inverse function that represents the gallons g as a function of miles m is:

               g = m/35.

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The bank grants Marcus Dobson a loan for $22,000 with an APR
of 10 percent. He agrees to a down payment of 20 percent and will repay the loan over 24
months. What amount will Dobson have to repay?
A. $24,340.80
B. $17,600 C. $19,472.64 D. $1,872.64

Answers

The solution is, Dobson have to repay B. $17,600.

What is percentage?

A percentage is a number or ratio that can be expressed as a fraction of 100. A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%", although the abbreviations "pct.", "pct" and sometimes "pc" are also used. A percentage is a dimensionless number; it has no unit of measurement.

here, we have,

The bank grants Marcus Dobson a loan for $22,000 with an APR

of 10 percent.

He agrees to a down payment of 20 percent and will repay the loan over 24 months.

so, he paid = 22000*20%

                  = $4400

so, remained loan = $ 17600

using the formula of interest , we get,

he has to repay with interest = $ 17600* 10%* 2 + $ 17600

                                                 =$ 3520 + $ 17600

                                                  =$ 21120

Hence, The solution is, Dobson have to repay B. $17,600.

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HELPPPPPPPP PLEASEEEE
algebra

Answers

Steps:

-x-2(-8x)=0

X=0

Y=-8(0)

Y=0

Solution

(X,Y) =(0,0)

Answer:

Your answer would be (x, y) = (0, 0)

Step-by-step explanation:

Please refer to the screenshot underneath.

What is the solution to the inequality 3n-12> 4n-16, using interval notation?

Answers

Answer:

the answer is D (4,∞)

Step-by-step explanation:

3n-12>4n-16

C.L.T.

3n-4n>-16+12

-n>-4

n>4

The equation for this problem is 3 (x - 10) = 63. Solve for x

Answers

Answer:

[tex]\mathrm{x=31}[/tex]

Step-by-step explanation:

[tex]\mathrm{3 (x - 10) = 63}[/tex]

Divide both sides by 3:-

[tex]\mathrm{x-10=\cfrac{63}{3} }[/tex]

Divide 63 by 3 = 21:-

[tex]\mathrm{x-10=21}[/tex]

Add 10 to both sides:-

[tex]\mathrm{x=21+10}[/tex]

Add 21 and 10 = 31:-

[tex]\mathrm{x=31}[/tex]

____________________

Hope this helps!

If a hexagon represents 1 whole, what fraction does each of the following shapes represent?

Answers

A triangle represents 1/4 of the trapezoid, a diamond represents 1/2 of the trapezoid, and a hexagon represents 1/1 of the trapezoid.

Determine the fraction of shapes

Each shape represents a different part of the overall trapezoid.

The triangle represents 1/4 of the full trapezoid. This is because the trapezoid has four triangles, all of the same size. So each triangle is 1/4 of the whole trapezoid. The diamond represents 1/2 of the full trapezoid. This is because the trapezoid has two diamonds, each of the same size. So each rhombus is 1/2 of the whole trapezoid.

The hexagon represents 1/1 of the whole trapezoid. This is because the trapezoid has only one hexagon, which is the same size as the entire trapezoid. So the hexagon is 1/1, the whole trapezoid.

In summary, a triangle represents 1/4 of a trapezoid, a diamond represents 1/2 of a trapezoid, and a hexagon represents 1/1 of a hexagon. Using these fractions, we can determine the value of each shape relative to the overall trapezoid.

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What is the rule for derivative of trigonometric functions?

Answers

The derivative of y = sin(x)cos(x) is 2sin(x)cos(x).Using the formula above, we can calculate that: (sin(x)cos(x))' = cos(x)sin(x) + sin(x)cos(x) = sin(x)cos(x) + sin(x)cos(x) = 2sin(x)cos(x)

The rule for derivatives of trigonometric functions states that the derivative of a trigonometric function is the product of the coefficient and the derivative of the other function in the product. This rule can be expressed mathematically using the following formula: (f(x)g(x))' = f'(x)g(x) + f(x)g'(x) For example, let's say that we want to calculate the derivative of the function y = sin(x)cos(x). Using the formula above, we can calculate that: (sin(x)cos(x))' = cos(x)sin(x) + sin(x)cos(x) = sin(x)cos(x) + sin(x)cos(x) = 2sin(x)cos(x) Therefore, the derivative of y = sin(x)cos(x) is 2sin(x)cos(x).

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Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 4 liters of natural oil for every 5 liters of synthetic oil. In order to make 855 liters
of Petrolyn oil, how many liters of natural oil are needed?

Answers

380 liters of natural oil is needed

How to calculate the amount of natural oil that is needed?

The ratio of natural oil to synthetic oil is 4:5

Total number of petrolyn oil is 855

4x + 5x= 855

9x= 855

x= 855/9

x= 95

The number of natural oil is 4x

= 4(95)
= 380

Hence the number of liters of natural oil that is needed is 380

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A common height at which commercial aeroplanes fly is 30 000 feet above sea level. This corresponds to how many miles?

Answers

Answer:

Below

Step-by-step explanation:

There are 5280 ft in a mile...how many 5280's are there in 30 000 ?

30 000 ft  / 5280 ft/mile  = 5.68 miles

The height of 30,000 feet above sea level corresponds to 5.68 miles.

To convert feet to miles,

we can use the conversion factor 1 mile = 5280 feet.

Therefore, to find how many miles 30,000 feet corresponds to, we can divide 30,000 by 5280:

=30,000 feet / 5280 feet/mile

≈ 5.68 miles

So, 30,000 feet above sea level corresponds to 5.68 miles.

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What is the division derivative rule?

Answers

Answer:

6

Step-by-step explanation:

Which shapes from the Clade Race would be considered plesiomorphic?a. Circle b. Heart c. Square d. Arrowe. Cross f. Moon g. Star h. Triangle i. Hexagon

Answers

Amongst the options circle shape from the Clade Race would be considered plesiomorphic.

A primitive or ancestral character state is called plesiomorphy or known as a plesiomorphic character), and a shared plesiomorphy is called a symplesiomorphy. For example, let us take an example of hair. It is a unique mammalian character that evolved with the evolution of mammals.

The term apomorphy means a specialized or derived character state which is plesiomorphy. It refers to a primitive or ancestral trait. An same as autapomorphy, it is a derived trait that is unique to one group, while a same as synapomorphy is a derived trait shared by two or more groups.

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PLEASE HELP THE PROBLEM BELOW

Answers

It is 11
11times 12 equals 132

Answer: x = 11

Step-by-step explanation:

divide both sides by 12

12x/12 = 132/12

simplify it and you get your answer :)

x = 11

Which of the following is a solution to z2 + 2 < 6?
0, 2, 4, -2, or -4

Answers

z = - 4, represents the solution of the inequality → z² + 2 < 6.

What is inequality?

An inequality is used to compare numbers or expressions. For example -

2x + 4 > 6       4x + 6 < 8            y > 9          x < 1

All the above expressions mentioned above represent inequalities.

Given is the inequality as -

z² + 2 < 6

The given inequality is -

z² + 2 < 6

Subtract {2} from both side we get -

z² < 4

z < ± 2

Therefore, z = - 4, represents the solution of the inequality → z² + 2 < 6.

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The graph shows the amount of a chemical in a patient's body at different times measured in hours since the levels were first checked.

Which equation best represents the graph?

Answers

Answer: please look at the image for the answer

Step-by-step explanation:

Gavin is moving into a new apartment that has a kitchen with a area of 50 ft.² if the area of the kitchen is 10 feet more than 1/3 the area of the bedroom where is the area of the bedroom complete the steps below to find the area of golf his bedroom but the variable B represent the area of the bedroom by any Quetion in terms of be to represent Galvin situation

Answers

The area of Gavin's bedroom is 120 square feet.

What is a square feet?

Square feet can be defined as the area of a square with sides of 1 foot.

Let B be the area of Gavin's bedroom in square feet.

According to the problem, the area of Gavin's kitchen is 10 square feet more than one-third of the area of his bedroom. So we can write:

Area of kitchen = (1/3)B + 10

We also know that the area of the kitchen is 50 square feet. So we can set up an equation:

(1/3)B + 10 = 50

Subtracting 10 from both sides, we get:

(1/3)B = 40

Multiplying both sides by 3, we get:

B = 120

Therefore, the area of Gavin's bedroom is 120 square feet.

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Nicole school is selling tickets to the annual dance competition on the first day of ticket sales the school sold 3 adult tickets and 2 child tickets for a total of 34$ the school took in $114 on the second day by selling 3 adult tickets and 12 child tickets what is the price each of 1 adult ticket and 1 child ticket

Answers

Answer: Child ticket: $8, Adult ticket: $6

Step-by-step explanation:

Let's call the price of 1 adult ticket "a" and the price of 1 child ticket "c".

On the first day, the school sold 3 adult tickets for a total of 3a dollars, and 2 child tickets for a total of 2c dollars, for a total of 34 dollars. So, we have the equations:

3a + 2c = 34

On the second day, the school sold 3 adult tickets for a total of 3a dollars and 12 child tickets for a total of 12c dollars, for a total of 114 dollars. So, we have another equation:

3a + 12c = 114

We can now use these two equations to solve for the value of "a" and "c".

We can use substitution to solve for one variable, then substitute it back into either of the equations to solve for the other variable.

Let's solve for "a" by substituting the first equation into the second:

3a + 12c = 114

3a = 114 - 12c

a = (114 - 12c) / 3

Now that we have an equation for "a", we can substitute it back into the first equation to solve for "c":

3a + 2c = 34

3[(114 - 12c) / 3] + 2c = 34

114 - 12c + 2c = 34

-10c = -80

c = $8

So, the price of 1 adult ticket is

a = (114 - 12c) / 3

a = (114 - 12 * 8) / 3

a = (114 - 96) / 3

a = 18 / 3 = $6.

How many multiples does 19 have?

Answers

19 has an infinite number of multiples since we can multiply 19 by any positive integer to get a new multiple.

A multiple of number is product of that number and  other integer.

To find the multiples of 19, we need to multiply 19 by every positive integer. So, the multiples of 19 are:

19 × 1 = 19

19 × 2 = 38

19 × 3 = 57

19 × 4 = 76

19 × 5 = 95

19 × 6 = 114

19 × 7 = 133

19 × 8 = 152

19 × 9 = 171

19 × 10 = 190

and so on.

Learn more about multiples here: brainly.com/question/96515

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