SOLUTION: the width of a rectangle is 5 feet less than its length. find its width if the perimeter is 54 feet

Question 928598: the width of a rectangle is 5 feet less than its length. find its width if the perimeter is 54 feet
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
w = L - 5
2L + 2w = 54
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2L + 2w = 54
2L + 2(L - 5) = 54
2L + 2L - 10 = 54
4L = 64
L = 16
w = L - 5
w = 16 - 5
w = 11
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answer:
L = 16 ft
w = 11 ft
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