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14 December, 10:25

Ratio of girls to boys at a movie is 5:7 if there are 28 boys how many girls are at the movie?

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  1. 14 December, 10:51
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    For every 7 boys there are 5 girls.

    Divide the number of boys by the ratio for boys: 28 / 7 = 4

    Now multiply that by the ratio for girls:

    4 x 5 = 20

    There are 20 girls.
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