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December 22, 2014

December 22, 2014

Posted by **TUHITUHI** on Tuesday, October 16, 2012 at 1:22pm.

- math -
**Steve**, Tuesday, October 16, 2012 at 3:34pmIf the two fans cost a and b, then

a+b = 3605

1.15a = 0.91b

a = 1592.50

b = 2012.5

check:

1592.50 + 2012.50 = 3605.00

she sold a for 15% profit, so 1.15*1592.50 = 1831.375

she sold b for a 9% loss, so .91*2012.50 = 1831.375

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