SOLUTION: The length of a rectangle is four times its width. Its perimeter is 90 m. What is the equation to find its dimensions?

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Question 190891: The length of a rectangle is four times its width. Its perimeter is 90 m. What is the equation to find its dimensions?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
L=4W
2L+2W=90
2*4W+2W=90
8W+2W=90
10W=90