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vlabodo [156]
3 years ago
7

At a local fair, the admission fees are $1.50 for children, $3 for college students, and $5 for adults. On Saturday, 1500 ticket

s were sold and brought in $5500. The number of college student tickets sold was 100 less than the number of children's tickets sold.
Mathematics
1 answer:
LenaWriter [7]3 years ago
8 0

Answer:

Number of children tickets = 400

Number of students tickets = 300

Number of adults tickets = 800

Step-by-step explanation:

Let the number of children tickets = x

Let the number of students tickets = y

Let the number of adults tickets = z

Total number of tickets sold = 1500

Writing the equation:

x+y+z=1500 .... (1)

Price for each children ticket = $1.50

Price for each student ticket = $3

Price for each adult ticket = $5

Total money brought in = $5500

1.5x+3y+5z = 5500 ..... (2)

Number of student tickets sold was 100 lesser than number of children's tickets.

i.e.

y = x -100 ..... (3)

Putting value of y from (3) in equation (1) and equation (2):

x+x-100+z=1500\\\Rightarrow 2x+z=1600 .... (4)

1.5x+3(x-100)+5z=5500\\\Rightarrow 4.5x+5z=5800 ..... (5)

Multiplying equation (4) by 5 and subtracting equation (5) from it:

5.5x=2200\\\Rightarrow x = 400

By equation (3):

y = 400 - 100 = 300

By equation (1):

z = 1500 - 400 - 300 = 800

Therefore, the answer is:

<em>Number of children tickets = 400</em>

<em>Number of students tickets = 300</em>

<em>Number of adults tickets = 800</em>

<em></em>

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Answer:

The length of the rectangle (l) = 10 cm

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Step-by-step explanation:

<u><em>Step(i):-</em></u>

Let 'x' be the length of the rectangle

Given that the width is 3 feet shorter than the length

The width of the rectangle = x -3

Area of the rectangle = length × width

<u><em>Step(ii):-</em></u>

Area of the rectangle = length × width

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Given that the area of the rectangle = 70 square feet

                       x ( x-3) = 70

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<u><em>Final answer:</em></u>-

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The width of the rectangle (w) = 7 cm

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