SOLUTION: I need to learn how to put the following equation
the perimeter of a rectangle is 30 feet. the length is 3 feet less than twice the width. what are the dimensions of the rectang
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the perimeter of a rectangle is 30 feet. the length is 3 feet less than twice the width. what are the dimensions of the rectang
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Question 334898: I need to learn how to put the following equation
the perimeter of a rectangle is 30 feet. the length is 3 feet less than twice the width. what are the dimensions of the rectangle? Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! P=2L+2W
L=2W-3
30=2(2W-3)+2W
30=4W-6+2W
30=6W-6
6W=30+6
6W=36
W=36/6
W=6 ANS.
L=2*6-3
L=12-3=9 ANS.
pROOF:
30=2*9+2*6
30=18+12
30=30
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