SOLUTION: The lenghth of a rectangle if the width is m meters and the perimeter is 20 meters

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Question 1123630: The lenghth of a rectangle if the width is m meters and the perimeter is 20 meters
Answer by Alex.33(110) About Me  (Show Source):
You can put this solution on YOUR website!
length=l
perimeter of rectangle=(length+width)*2
20=2(m+l)
l=10-m.