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7 August, 17:46

The width of a rectangular poster is half its length. the area of the poster is 128 square feet. what is the length of the poster?

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  1. 7 August, 18:01
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    128 =.5L^2

    Sq rt 128 =.5L

    8sq rt 2/2

    Answer 4 sq rt of 2
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