# Math

At a movie theater, child admission is \$5.80 and adult admission is \$\$9.70. On Monday, three times as many adult tickets as child tickets were sold, for a total sale of \$732.90. How many child tickets were sold that day?

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1. c(5.80) + a(9.70) =732.90 a = 3c

Substitute 3c for a.
c(5.8) + 3c(9.70) =732.90 Solve for c

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2. x child tickets were sold.

5.8x + (9.7)3x = 732.90.
X =

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