SOLUTION: the perimeter of a rectangle is 80 inches. find the dimensions if its length is 3 inches greater than its width

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Question 231536: the perimeter of a rectangle is 80 inches. find the dimensions if its length is 3 inches greater than its width
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
P=2w+2L
80=2x+2(x+3)
80=2x+2x+6
4x=74
x=18.5in
x+3=21.5in