SOLUTION: the length of a rectangular lot is 10 feet less than 3 times its width. The perimeter of the lot is 620 feet. Find the dimensions of the lot.

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Question 854419: the length of a rectangular lot is 10 feet less than 3 times its width. The perimeter of the lot is 620 feet. Find the dimensions of the lot.
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
width = w
length = 3w - 10

2w + 2(3w - 10) = 620
2w + 6w - 20 = 620
8w = 640
w = 80

The lot is 80 feet wide and 230 feet long.