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23 March, 12:11

What is the answer the proprtion m+12/9m=5/9

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  1. 23 March, 12:53
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    (m + 12) / 9m = 5 / 9

    cross multiply

    (5) (9m) = 9 (m + 12)

    45m = 9m + 108

    45m - 9m = 108

    36m = 108

    m = 108/36

    m = 3 <==
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