SOLUTION: A rectangle has length twice its width. If the perimeter is 72, find the length.

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Question 694017: A rectangle has length twice its width. If the perimeter is 72, find the length.
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter of a rectangle is 2L+2W=P
if L=2W and P=72 then 2%282W%29%2B2W=72
6W=72
W=12
L=24