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December 18, 2014

December 18, 2014

Posted by **Mary** on Thursday, September 10, 2009 at 3:37pm.

- math -
**bobpursley**, Thursday, September 10, 2009 at 3:39pmLet s be the square.

lw=84

(l-7)=s=(w-2)

l= w+5

(w+5)w=84

multiply that out, solve for w (it is a quadratic).

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