SOLUTION: The width of a rectangle is on half its length. The perimeter of the rectangle is 54 cm. What are the width and length of the rectangle?

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Question 321876: The width of a rectangle is on half its length. The perimeter of the rectangle is 54 cm. What are the width and length of the rectangle?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Let length be 2x
width =x
Perimeter = 2*L+2*w
2*2x+2*x=54
6x=54
x=9
width = 9
length = 18 cm