SOLUTION: the length of a rectangle is 2cm less than 3 times its width.if the perimeter of the rectangle is 68m find the dimensions of the rectangle?

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Question 281427: the length of a rectangle is 2cm less than 3 times its width.if the perimeter of the rectangle is 68m find the dimensions of the rectangle?
Answer by brucewill(101) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = width
Then 3x - 2 = length.
We need 2 widths, and 2 lengths, for a perimeter of 6800cm (1m=100cm)
2x+%2B+2%283x+-+2%29+=+6800
2x+%2B+6x+-+4+=+6800
8x+=+6804
x (width)=850.5
(length) = 2549.5
Proof: 850.5 + 850.5 + 2549.5 + 2549.5 = 6800.