SOLUTION: what are the length and width of a rectangle if the length is 3 times as long as the width and the perimeter is equal to 48 cm

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Question 448072: what are the length and width of a rectangle if the length is 3 times as long as the width and the perimeter is equal to 48 cm
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
2(3w)+2w=48
6w+2w=48
8w=48
w=6
l=24
The length is 24 cm., the width is 8 cm..