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September 30, 2014

September 30, 2014

Posted by **LD** on Monday, April 2, 2012 at 11:55pm.

- Physics -
**drwls**, Tuesday, April 3, 2012 at 2:25am(20-x)/(15-x) = 12/2 = 6

90 - 6x = 20 - x

5x = 70

x = 14 inches

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