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November 28, 2014

November 28, 2014

Posted by **kc** on Wednesday, April 18, 2012 at 11:20pm.

- algebra -
**Steve**, Thursday, April 19, 2012 at 12:29pmadd up the value of the bills:

5x + 10(52-x) = 460

5x + 520 - 10x = 460

5x = 60

x = 12

check:

5(12) + 10(40) = 60 + 400 = 460

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