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21 December, 14:29

the length of a rectangular poster is 10 inches longer than the width. if the perimeter of the poster is 124 inches, what is the width?

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  1. 21 December, 16:09
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    The formula for the perimeter is 2L + 2W.

    Since we know that L=10+W, we can substitute this into the equation.

    2 (10+W) + 2W=124

    20+2W + 2W=124

    4W + 20 = 124

    4W=104

    W=26

    Therefore, the width is 26 inches.
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