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January 26, 2015

January 26, 2015

Posted by **Ashley** on Sunday, July 24, 2011 at 9:58pm.

- math -
**Reiny**, Sunday, July 24, 2011 at 11:32pmMake a sketch and notice the similar triangles.

by ratio:

d/10 = (d-x)/6

6d = 10d - 10x

-4d = -10x

d = (5/2)x

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