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July 22, 2014

July 22, 2014

Posted by **jackson** on Wednesday, September 7, 2011 at 9:06pm.

- algebra 1 -
**PsyDAG**, Thursday, September 8, 2011 at 12:52amLet s = student tickets and a = adult tickets.

s + a = 400, so s = 400-a

2s + 3a = 1050

Substitute 400-a for s in second equation and solve for a. Insert that value into the first equation and solve for s. Check by inserting both values into the second equation.

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