SOLUTION: the length of a rectangle is three times longer than the width.the perimeter of the rectangle is 40 inches.what is the length of the rectangle in inches?

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Question 1079956: the length of a rectangle is three times longer than the width.the perimeter of the rectangle is 40 inches.what is the length of the rectangle in inches?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
2%283%2Aw%29%2B2w=40
8w=40
w=5

Width is 5 inches.
LENGTH is 15 inches.