SOLUTION: At the Golden Oldies Theater, tickets for adults cost $5.50 and tickets for children cost $3.50. How many of each kind of tickets were purchased if 21 tickets were bought for $83.5

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Question 604224: At the Golden Oldies Theater, tickets for adults cost $5.50 and tickets for children cost $3.50. How many of each kind of tickets were purchased if 21 tickets were bought for $83.50?
Answer by flame8855(424) About Me  (Show Source):
You can put this solution on YOUR website!
let c be the number of children ticket
let a be the number of adult ticket
a+c = 21
5.5a + 3.5c =21
a = 5
c = 16