# Math

posted by Jake

At the city museum, child admission is \$5.40 and adult admission is \$9.30. On Friday, 134 tickets were sold for a total of \$957.60. How many adult tickets were sold that day?

1. Reiny

a + c = 134 ---> a = 134 - c

5.4a + 9.3c = 957.6
54a + 93c = 9576
18a + 31c = 3192

sub in a = (134 - c) and solve for a

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