Question 1199615: At the movie theatre, child admission is $6.60 and adult admission is 9.70On Monday, three times as many adult tickets as child tickets were sold, for a total sales of $1320.90How many child tickets were sold that day?
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52775)   (Show Source):
You can put this solution on YOUR website! .
x child tickets and 3x adult tickets were sold.
The total money equation is
6.60x + 9.70*(3x) = 1320.90 dollars.
Simplify and find x
6.60x + 29.10x = 1320.90
35.70x = 1320.90
x = 1320.90/35.70 = 37.
ANSWER. 37 child tickets.
Solved.
Answer by MathTherapy(10551)  (Show Source):
You can put this solution on YOUR website!
At the movie theatre, child admission is $6.60 and adult admission is 9.70On Monday, three times as many adult tickets as child tickets were sold, for a total sales of $1320.90How many child tickets were sold that day?
Let number of child tickets sold be C
Then number of adult tickets sold = 3C
We then get the following total-sales equation: 6.6C + 9.7(3C) = 1,320.9
6.6C + 29.1C = 1,320.9
35.7C = 1,320.9
Number of child tickets sold, or 
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