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03-10-2016
Mathematics

contestada

The length of a rectangle is 11 in. longer than its width. The perimeter of the rectangle is 86 in.

What is the length of the rectangle?

Respuesta :

texaschic101 texaschic101

03-10-2016

P = 2(L + W)
P = 86
L = W + 11

86 = 2(W + 11 + W)
86 = 2(2W + 11)
86 = 4W + 22
86 - 22 = 4W
64 = 4W
64/4 = W
16 = W

L = W + 11
L = 16 + 11
L = 27 <====

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