Homework Help: Algebra

Posted by Lexi on Friday, June 15, 2012 at 11:47am.

Two hundred tickets for the school play were sold. Tickets cost $2 for students and $3 for adults. The total amount collected $490. How many student tickets were sold?

Algebra - drwls, Friday, June 15, 2012 at 12:40pm
Solve these two simultaneous equations:
S + A = 200
2S + 3A = 490

Try subtracting
2S + 2A = 400 from the second equation.
(I doubled the first equation)

That will leave you with A = 90 adult tickets sold.

Now finish the problem.

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