# Math

A movie theater sold a total of 390 adult and child tickets on a certain day. The theater sold 2.25 times as many adult tickets as child tickets. Each adult ticket cost \$8 and each child ticket cost \$3. How much revenue did the theater generate in ticket sales that day?

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1. a + c = 390

a = 2.25 c

so 2.25 c + 1 c = 390, solve for c then for a

Revenue = 8 a + 3 c

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posted by Damon

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