SOLUTION: the perimeter of a rectangular room is 100 feet.find the length and width of the room if the length is 2 feet more than 3 times the width.
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Question 248516: the perimeter of a rectangular room is 100 feet.find the length and width of the room if the length is 2 feet more than 3 times the width. Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! L=3W+2
2L+2W=100
2(3W+2)+2W=100
6W+4+2W=100
8W=100-4
8W=96
W=96/8
W=12 FT. ANS. FOR THE WIDTH.
L=3*12+2=36+2=38 FT. ANS. FOR THE LENGTH.
PROOF:
2*38+2*12=100
76+24=100
100=100
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