Admission to a popular go-kart track is $16 for adults and $8 for children (age 14 and under). On an average day, the business takes in $7200 and three times as many children ride the go-karts as do adults. How many kids and adults pay to ride the go-karts on an average day?
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Step-by-step explanation:
Let no. of adults be a
Then no. of children will be 3times the adults = 3a
Admission fee for adults = $16
"" " " " " " " " " " " ". children =$8
Total earning of business =$7200
A.T.Q
a × 16 + 3a × 8 = 7200
16a + 24a = 7200
40a = 7200
a = 7200/40
= 180
No. of adults = a = 180
No. of children = 3a = 3×180 = 540
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