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OpenStudy (anonymous):
Saturday morning there were 7 adults and 20 kids at Pump and Jump Land. The morning cash registers show $236 were collected. In the afternoon there were 21 adults and 50 kids for a total amount of $618. What is the cost for 1 adult?
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OpenStudy (anonymous):
7x+20y=236 21x+50y=618 solve em
OpenStudy (anonymous):
x=8 (adult) y=9
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
$8?
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