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April 21, 2014

April 21, 2014

Posted by **Scraffii** on Sunday, June 10, 2012 at 4:13am.

- Mathematics-please help quick!! -
**Damon**, Sunday, June 10, 2012 at 4:28amwidth = x

length = (x+10)

P = 2x + 2(x+10) = 4x+20

4x+20 = 100

x + 5 = 25

x = 20

A = x(x+10) = x^2 + 10 x

= 400 + 200

= 600

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