Asked by peeka

the length of a rectangular parking lot is 3 meters less than twice its width, and the perimeter is 408 meters, find the length of the parking lot.
Answered by Dr Russ

the length of a rectangular parking lot is 3 meters less than twice its width

so

L=2W-3

and the perimeter is 408

so 2L+2W=408

you have two equations, solve for L and W

I got L=135 meters, but check the working.
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