SOLUTION: the perimeter of a rectangle is 36 meter. If the width 3 times the length, find the dimensions.

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Question 988207: the perimeter of a rectangle is 36 meter. If the width 3 times the length, find the dimensions.
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
Make length = 'x'
Width = 3x
Perimeter = 2 x Length + 2 x Width
36 = 2(x) + 2(3x)
36 = 2x + 6x
36 = 8x
x = 36/8
x = 4.5m
Length = 4.5m
Width = 13.5m
Hope this helps :-)