SOLUTION: The length of a rectangle is twice its width. Find its length if the perimeter is 84 feet.
Algebra.Com
Question 178183: The length of a rectangle is twice its width. Find its length if the perimeter is 84 feet.
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
P=2L+2W.....we are given P=84 and L=2W....lets plug em in
:
84=2(2W)+2W
:
84=4W+2W
:
84=6W
:
:
feet
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