SOLUTION: The perimeter of a rectangle is 900 meters. The length is fifteen less than four times the width. What are the dimensions?

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Question 339025: The perimeter of a rectangle is 900 meters. The length is fifteen less than four times the width. What are the dimensions?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The perimeter of a rectangle is,
P=2L%2B2W=900
L%2BW=450
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.
.
L=4W-15
Substituting,
4W-15%2BW=450
5W=465
highlight%28W=93%29m
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.
.
L=4%2893%29-15
L=372-15
highlight%28L=357%29m