SOLUTION: Middle school earns $1,760 by selling 400 tickets to the school play.tickets cost $5 for adults and $3 for students. How many adult tickets were sold ?

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Question 738828: Middle school earns $1,760 by selling 400 tickets to the school play.tickets cost $5 for adults and $3 for students. 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,
5a+3s=1760
a = 280, s = 120