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13 January, 20:32

Find the length of a postcard whose width is 4 inches and whose proportions are the same as a poster that is 24 inches wide by 36 inches long

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  1. 13 January, 20:47
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    So legnth to width=legnth:width=legnth/widdth

    legth:4=36:24

    legnt/4=36/24

    legnth/4=3/2

    mutiply both sides by 4

    legnth=12/2

    legnth=6

    answer is elgnth=6 inches
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