SOLUTION: At a skating rink, students pay $.75 admission and adults pay $1.25. For one night, the recipts were $85 and 100 people paid. How many people were adults?
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Question 167912: At a skating rink, students pay $.75 admission and adults pay $1.25. For one night, the recipts were $85 and 100 people paid. How many people were adults? Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! 1.25X+.75(100-X)=85
1.25X+75-.75X=85
.5X=85-75
.5X=10
X=10/.5
X=20 ADULT TICKETS WERE SOLD.
PROOF:
1.25*20+.75(100-20)=85
25+.75*80=85
25+60=85
85=85
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