SOLUTION: tickets to a local movie were sold at $7.00 for adults and $5.50 for students. If 400 tickets were sold for a total of $2,575.00, how many adult tickets were sold?

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Question 807175: tickets to a local movie were sold at $7.00 for adults and $5.50 for students. If 400 tickets were sold for a total of $2,575.00, how many adult tickets were sold?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a+s=400,
7a+5.5s=2575
a=250., s=150.