SOLUTION: The length of a rectangle is three times its width. If the perimeter of the rectangle is 72 in, find its area. How would I go about solving this?

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Question 302749: The length of a rectangle is three times its width.
If the perimeter of the rectangle is 72 in, find its area. How would I go about solving this?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=2W
P=2L+2W
72=2*3W+2W
72=6W+2W
72=8W
8W=72
W=72/8
W=9 IN. IS THE WIDTH.
L=3*9=27 IN. IS THE LENGTH.pROOF:
72=2*9+2*27
72=18+54
72=72