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September 3, 2014

September 3, 2014

Posted by **bobby** on Monday, September 30, 2013 at 10:40pm.

- algebra -
**Steve**, Monday, September 30, 2013 at 11:36pm2*12*9 + 2*10*9 = 396 ft^2

2*15*12 + 2*18.5*12 = 804 ft^2

so, charge

804/396 * $320 = $649.70

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