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December 22, 2014

December 22, 2014

Posted by **dean** on Thursday, August 27, 2009 at 1:54pm.

- algebra -
**Reiny**, Thursday, August 27, 2009 at 3:12pmthis one takes some "playing around"

I did this

D+E=A, divide each term by A

D/A + E/A = A/A

0.15 + E/A = 1

E/A = .85 = 85/100 = 17/20

Then A/E = 20/17

But N/E = (N/A)(A/E) = (25/100)(20/17)

= 5/17 or appr. .294

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