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Gerry wants to fence a rectangular field whose area is --
1200 square meters. He has only 100 meters of wire so he decided to fence only the three sides of the rectangle letting the wall be the fourth side. How wide should the rectangle be?

Please answer this ASAP.


The dimentions of the field are:
w= 30m , l= 40

30+40+30= 100..

so the width is 30m...
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