SOLUTION: The perimeter of a rectangular plot of land is 42 meters. What are the dimensions of the plot when given the following conditions? a) The length is twice the width b) The length is

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Question 548077: The perimeter of a rectangular plot of land is 42 meters. What are the dimensions of the plot when given the following conditions? a) The length is twice the width b) The length is three meters more than the width c) The length is three meters more than twice the width d) The width is one-fifth of the length
Answer by mananth(16946) About Me  (Show Source):
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perimeter =42
width =w
length = 2w
42=2(w+2w)
42=6w
42/6=w
w=8
dimension 8 & 16
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width w
length =5w
Perimeter = 42
42=2(5w+w)
42=12w
w=3.5
length = 3.5*5= 17.5
dimensions 3.5 & 17.5