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July 24, 2014

July 24, 2014

Posted by **George** on Tuesday, September 13, 2011 at 11:11pm.

- Math -
**PsyDAG**, Wednesday, September 14, 2011 at 2:13amLet x = # of dimes and y = # of quarters

x + y = 25

y = 25-x

10x + 25y = 355

Substitute 25-x for y in last equation and solve for x.

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