SOLUTION: The length of a rectangle is twice its breadth. If its perimeter is 54 cm, find its length

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Question 224144: The length of a rectangle is twice its breadth. If its perimeter is 54 cm, find its length
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L+2W
L=2W
54=2*2W+2W
54=4W+2W
6W=54
W=54/6
W=9 ANS. FOR THE WIDTH.
L=2*9=18
54=2*9+2*18
54=18+36
54=54