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Marizza181 [45]
3 years ago
12

For a Saturday matinee, adult tickets cost $7.50 and kids under 12 pay only $6.00. If 80 tickets are sold for a total of $525, h

ow many of the tickets were adult tickets and how many were sold to kids under 12?
They sold ___ adult tickets and _____ kids tickets.
Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
8 0

Answer:

They sold 30 adult tickets and 50 kids tickets.

Step-by-step explanation:

This question is solved by a system of equations.

I am going to say that:

x is the number of adult tickets sold

y is the number of kids tickets sold.

80 tickets are sold

This means that x + y = 80, or also, x = 80 - y

For a Saturday matinee, adult tickets cost $7.50 and kids under 12 pay only $6.00. Tickets were sold for a total of $525.

This means that:

7.5x + 6y = 525

Since x = 80 - y

7.5(80 - y) + 6y = 525

600 - 7.5y + 6y = 525

1.5y = 75

y = \frac{75}{1.5} = 50

x = 80 - y = 80 - 50 = 30

They sold 30 adult tickets and 50 kids tickets.

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