SOLUTION: A rectangle is 7 times longer than it is wide. If its perimeter is 144 cm, what is its area?

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Question 1193428: A rectangle is 7 times longer than it is wide. If its perimeter is 144 cm, what is its area?
Answer by Alan3354(69443) About Me  (Show Source):
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A rectangle is 7 times longer than it is wide. If its perimeter is 144 cm, what is its area?
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L = 8W
L + W = 144/2 = 72
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8W + W = 72
W = 8
L = 64
Area = W*L = 512 sq cms