Posted by **help fast please!!!** on Monday, April 4, 2011 at 3:23pm.

the perimeter of a rectangle is twice the sum of its length and its width. the perimeter is 40 meters and its lenth is 2 meters more then twice its width. what is the length?

- math -
**Henry**, Tuesday, April 5, 2011 at 11:29pm
P = 2(L + W) = 40m,

P = 2L + 2W = 40,

L = (2W + 2)m,

P = 2(2W + 2) + 2W = 40,

4W + 4 + 2W = 40,

6W = 36,

W = 6m.

L = 2W + 2 = 2*6 + 2 = 14m.

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