SOLUTION: The length of a rectangle is 6 times longer than the width. The perimeter is 42. What is the width?

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Question 616862: The length of a rectangle is 6 times longer than the width. The perimeter is 42. What is the width?
Answer by nerdybill(7384) About Me  (Show Source):
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The length of a rectangle is 6 times longer than the width. The perimeter is 42. What is the width?
.
Let w = width
then from: "length of a rectangle is 6 times longer than the width"
6w = length
.
42 = 2(w + 6w)
21 = w + 6w
21 = 7w
3 = w (width)