SOLUTION: Please show me how to solve the following word problem: Tickets to a local movie were sold at $5.00 for adults and $3.50 for students. If 156 tickets were sold for a total of $756

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Question 421295: Please show me how to solve the following word problem:
Tickets to a local movie were sold at $5.00 for adults and $3.50 for students. If 156 tickets were sold for a total of $756.00, how many adult tickets were sold?
Thanks for your help.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
a+s=156 a=156-s
5a+3.5s=756
5(156-s)+3.5s=756
780-5s+3.5s=756
-1.5s=-24
s=16 students
a=156-s=140 adults