math1071 math1071

07-02-2017
Mathematics

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A builder buys a rectangular lot of land such that the length is 3 meters less than twice the width. If the perimeter is 534 meters, find the length and width.

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maddyb95 maddyb95

07-02-2017

P=2L+2W
W=x
L=2W-3=2x-3

P=2(2x-3)+2x
=4x-6+2x
=6x-6
534=6x-6
x=90

so...
W=90 meters
L=2(90)-3 = 177 meters

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