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24 February, 00:23

A 271⁄2-mile stretch of road needs repaving. A company bid on the repaving project, saying they could repave 21⁄4 miles of road per week. How many weeks will the company take to completely repave the stretch of road?

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  1. 24 February, 02:31
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    turn each number into an improper fraction

    27 1/2 = (2*27+1) / 2 = 55/2

    2 1/4 = (4*2+1) / 4 = 9/4

    55/2 divided by 9/4

    copy dot flip

    55/2 * 4/9

    220/18

    110/9 12*9 = 108

    12 2/9 weeks

    or if we round 13 weeks
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