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12 October, 05:41

The ratio of boys to girls is 7:6 if there are 39 boys and girls how many girls are there

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  1. 12 October, 07:23
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    The ratio of boys to girls is 7:6. if there are 39 boys then the number of girls can be calculated as follows: let the number of girls be X then,

    7:6

    39:X

    cross multiply to get

    7X=39x6

    7X=234

    X=234/7

    X=33.43

    so the number of girls is 34 since there cannot be half a person.
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