SOLUTION: the width of a rectangle is three fourth of the length. find the dimensions of the rectangle if the perimeter is 70 cm.

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Question 744106: the width of a rectangle is three fourth of the length. find the dimensions of the rectangle if the perimeter is 70 cm.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2(3x)=2(4x)=70
6x+8x=70
14x=70
x=5
3x=15
4x=20