SOLUTION: An elementary school buys tickets for a field trip to the zoo. The number of children going on the field trip is 8 times the number of adults. Tickets for the children cost $9 each

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Question 1037169: An elementary school buys tickets for a field trip to the zoo. The number of children going on the field trip is 8 times the number of adults. Tickets for the children cost $9 each and tickets for the adults cost $14 each. The total cost of all the tickets is $1290, how many tickets of each type did the school purchase?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
14x+8(9x)=1290
14x+72x=1290
86x=1290
x=1290/86
x=15 adults
8x=120 children
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120*9=1080
15*14=210
total=1290