SOLUTION: The width of a rectangle measures 3 kilometers its length is three times its width. What is its perimeter? l

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Question 1020322: The width of a rectangle measures 3 kilometers its length is three times its width. What is its perimeter? l
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
If the width is 3 km, and the length is three times that, the length must be 9 km.
Perimeter P is found via P = 2L + 2W...here that is
P = 2(9) + 2(3) = 18 + 6 = 24 km