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3 years ago

14

At the city museum, child admission is $5.20 and adult admission is $9.90. On Wednesday, three times as many Adult tickets to ch

ild tickets were sold, for a total sales of $767.80. How many child tickets were sold that day

1 answer:

Karo-lina-s [1.5K]3 years ago

6 0

Child=x
Adult=y
y=3x
5.2x+9.9y=767.8
5.2x+9.9(3x)=767.8
5.2x+29.7x=767.8
34.9x=767.8
x=22

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