SOLUTION: A movie theater has a seating capacity of 197. The theater charges $5.00 for children, $7.00 for students, and $12.00 for adults. There are half as many adults as there are childre

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Question 1191883: A movie theater has a seating capacity of 197. The theater charges $5.00 for children, $7.00 for students, and $12.00 for adults. There are half as many adults as there are children. If the total ticket sales was $ 1430, How many children, students, and adults attended?
Answer by ikleyn(52775)   (Show Source): You can put this solution on YOUR website!
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A movie theater has a seating capacity of 197.
The theater charges $5.00 for children, $7.00 for students, and $12.00 for adults.
There are half as many adults as there are children.
If the total ticket sales was $ 1430, How many children, students, and adults attended?
~~~~~~~~~~~~~~~~~

adults   = x

children = 2x

students = 197 - x - 2x = 197 - 3x


Total money equation (the revenue)

    12x + 5*(2x) + 7*(197-3x) = 1430


From the equation

    x =  = 51.


ANSWER.  adults: 51;  children: 2*51 = 102;  students: 197-3*51 = 44.

Solved (using one equation in one unknown).



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