SOLUTION: The length of a rectangle is 4 times the width. The perimeter is 90 cm. Find the width and length.

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Question 134111: The length of a rectangle is 4 times the width. The perimeter is 90 cm. Find the width and length.
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
Let width=W,length=L and perimeter=P
P=2(L+W)=90
L=4W
then
2(5W)=90
then W=9 and L=36