SOLUTION: A rectangle is twice as long as it is wide. If the perimeter is 60 cm. Find the dimension of the rectangle.

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Question 799687: A rectangle is twice as long as it is wide. If the perimeter is 60 cm. Find the dimension of the rectangle.
Answer by thejackal(72) About Me  (Show Source):
You can put this solution on YOUR website!
The perimeter of a rectangle P is given by equation: P = 2W + 2L where W is the width and L is the length.
Therefore let W be the width and since L = 2W then 60 = 2W + 2(2W)
solve for W to get your answer