SOLUTION: The length of a rectangle is five times its width. If the perimeter of the rectangle is 84 ft find its area.

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Question 1106636: The length of a rectangle is five times its width.
If the perimeter of the rectangle is
84 ft find its area.
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
(1) L = 5W
(2) 2L + 2W = 84ft
(2') 2(5W) + 2W = 84ft
Solve (2') for W, then you can use (1) to get L, then area = L*W in sq ft. I get 245 sq ft.
Message me if you get stuck/need help.