SOLUTION: A regular playground is 60 meters longer that is is wide. It is enclosed by 920 meters of fencing. Find its length.

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Question 96378This question is from textbook Merrill Algebra 1
: A regular playground is 60 meters longer that is is wide. It is enclosed by 920 meters of fencing. Find its length. This question is from textbook Merrill Algebra 1

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
l=w+60
perimeter=2l+2w
920=2(w=60)+2w
920=2w+120+2w
4w=920-120
4w=800
w=800/4
w=200 meters id the width.
l=200+60=260 is the length.
proof
920=2*200=2*260
920=400+520
920=920