Question 926398: The width of a rectangle is 7 meters less than the length. The perimeter is 66 meters. Find the length and the width.
Thanks so much.
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! w = L - 7
2L + 2w = 66
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2L + 2(L - 7) = 66
2L + 2L - 14 = 66
4L = 66 + 14
L = (66 + 14)/4
L = 20
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w = L - 7
w = 20 - 7
w = 13
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L = 20 m
w = 13 m
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