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September 30, 2014

September 30, 2014

Posted by **Jane** on Monday, November 26, 2012 at 11:00am.

- math -
**Steve**, Monday, November 26, 2012 at 11:34amif he had x,y,z bills of $5,$10,$20 respectively,

x+y+z = 12

5x+10y+20z = 175

A third equation would help, so we have to do some trial and error.

1 $5

5 $10

6 $20

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