SOLUTION: At the movies tickets for adults cost $5.50 and tickets for children cost $3.50. How many of each kind of ticket was purchased if 21 tickets were bought for $83.50?
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Question 67821: At the movies tickets for adults cost $5.50 and tickets for children cost $3.50. How many of each kind of ticket was purchased if 21 tickets were bought for $83.50? Answer by checkley71(8403) (Show Source):
You can put this solution on YOUR website! C+A=21 & 550*A+350*C=8350
C=21-A
550A+350(21-A)=8350
550A+7350-350A=8350
200A=8350-7350
200A=1000
A=1000/200
A=5 ANSWER FOR NUMBER OF ADULT TICKETS SOLD
21-5=16 ANSWER FOR CHILDREN TICKETS SOLD
PROOF
550*5+350*16=8350
2750+5600=8350
8350=8350
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