SOLUTION: Thirty adults and children paid $12.25 for a trip. If the adults paid 50 cents each and the children paid 25 cents each, how many adults and children went on the trip?

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Question 1106759: Thirty adults and children paid $12.25 for a trip. If the adults paid 50 cents each and the children paid 25 cents each, how many adults and children went on the trip?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
x=adults
30-x=children
.50x+.25(30-x)=12.25
.50x+7.50-.25x=12.25
.25x=4.75
x=19 adults @50 cents is $9.50
30-x=11 children @25 cents is $2.75
That sum is $12.25