SOLUTION: Adult tickets for a play cost $11 and child tickets cost $10. If there were 23 people at a performance and the theater collected $246 from ticket sales, how many children attended
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Question 85724: Adult tickets for a play cost $11 and child tickets cost $10. If there were 23 people at a performance and the theater collected $246 from ticket sales, how many children attended the play?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Let a=adults, c=children
money made from adult's and children's tickets
number of people
solve for any variable, in this case a
plug in value of a in terms of c
Distribute
Simplify
Isolate c
Negate to make c a positive number
So the number of children that attended is 7
So the answer is C)
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