SOLUTION: The length of a rectangle is twice the width; the perimeter is 42 inches. Find the width

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Question 322253: The length of a rectangle is twice the width; the perimeter is 42 inches. Find the width
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let width be x
length=2x
perimeter = 2L+2W
2x+2*2x=42
6x=42
x=7 the width
2x= length = 14in