SOLUTION: find the length l of a rectangular lot if the width w is 40 feet and the perimeter P is 280 feet.

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Question 959091: find the length l of a rectangular lot if the width w is 40 feet and the perimeter P is 280 feet.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
For a rectangle,
P=2l%2B2w
2l%2B2%2840%29=280
2l=200
l=100feet