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23-04-2018
Mathematics

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The length of a rectangular garden is three feet less than twice it’s width. If the perimeter of the garden is 42 feet, what is its length

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Аноним Аноним

23-04-2018

Let the width be x
Width = x
Length = 2x - 3

Perimeter = 2 ( Length + Width) = 2 ( x+ 2x - 3) = 2(3x - 3) = 6x - 6

Given that the Perimeter is 42 feet,

6x - 6 = 42
6x = 42 + 6
6x = 48
x = 8

Width = x = 8 feet
Length = 2x -3 = 2(8) - 3 = 13 feet

Answer: The length is 13 feet.

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