Problema Solution
At the city museum, child admission is $5.90 and adult admission is $9.60 . On Saturday, 152 tickets were sold for a total sales of $1107.70 . How many adult tickets were sold that day?
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Solution:
x = adult tickets
y = child tickets
x + y = 152
y = 152 - x
9.60x + 5.90y = 1107.70
9.60x + 5.90(152 - x) = 1107.70
9.60x + 896.8 - 5.90x = 1107.70
3.7x = 210.9
x = 57 adult tickets