SOLUTION: the perimeter of a rectangle is 64 cm. The length is 4 cm less than twice the width.

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Question 258772: the perimeter of a rectangle is 64 cm. The length is 4 cm less than twice the width.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
the perimeter of a rectangle is 64 cm. The length is 4 cm less than twice the width.
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Perimeter = 2(L + W)
64 = 2(2W-4 + W)
32 = 3W-4
3W = 36
W = 12 cm (width of the rectangle)
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Since the length = 2W-4, L = 2*12-4 = 20 cm (length of the rectangle)
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Cheers,
Stan H.