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September 30, 2014

September 30, 2014

Posted by **chris** on Monday, March 1, 2010 at 7:07pm.

- math -
**Reiny**, Monday, March 1, 2010 at 7:11pmlet cost of tube be $x per foot

then cost of pump is $12x

12x + 8x = 8.5

solve for x

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