SOLUTION: a rectangle is three times as long as it is wide. its perimeter is 36. find each side

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Question 367571: a rectangle is three times as long as it is wide. its perimeter is 36. find each side
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
2(w + 3w) = 36,
2(4w) = 36,
8w = 36,
w = 36/8 = 9/2, the width of the rectangle.
l = 3w = 27/2, the length of the rectangle.