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16 March, 13:35

The length of a rectangular piece of steel in a bridge is 4 meters less than triple the width. The perimeter is 64 meters. Find the length and width

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  1. 16 March, 14:37
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    Consider the width as x.

    Width = x

    Length = 3x-4

    2 (3x-4) + 2 (x) = 64

    6x-8+2x = 64

    8x-8 = 64

    8x = 72

    x = 9

    Width = 9 meters

    Length = 23 meters
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