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Posted by **KC** on Wednesday, October 14, 2009 at 11:29am.

Mark sold 105 tickets for the basketball game. Each adults ticket cost $2.50 and each child's ticket cost $1.10. Mark collected $221.90. How many of each kind of ticket did he sell?

- Algebra -
**MathMate**, Wednesday, October 14, 2009 at 3:53pmLet

number of adult tickets sold = A

Cost of each adult ticket = 2.50

Total cost of adult tickets = 2.50*A

number of child tickets sold = C = 105-A

Cost of each child ticket = 1.10

Total cost of child tickets = (105-A)*1.10

Total cost of all tickets=

2.50A + 1.10(105-A) = 221.90

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