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22 June, 18:33

The length of a is 3 times its width if the perimeter is 400ft what is the length and width of the fence

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  1. 22 June, 18:43
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    Width is x

    length is 3x

    (Don't forget that perimeter has 2 sides of width and 2 sides of length)

    so perimeter is 400 = 2 (x) + 2 (3x)

    400 = 2x+6x

    400 = 8x

    so x = 50

    then the length of the fence is 50ft

    the width of the fence is 150ft
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