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21 March, 03:59

There are 238 juniors in a school. The ratio of girls to boys is 3 : 4. How many girls. Boys?

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  1. 21 March, 04:02
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    There are 102 girls and 136 boys and 238 juniors

    Step-by-step explanation:

    girls: boys: total

    3 4 7

    Multiply by x

    3x 4x 7x

    The ratio has to stay the same

    We have 238 juniors. That is our total

    238 = 7x

    Divide by 7

    238/7 = 7x/x

    34 = x

    Now we can figure out how many girls and boys since we know x

    girls: boys: total

    3x 4x 7x

    3 (34) 4 (34) 238

    102 136 238

    There are 102 girls and 136 boys and 238 juniors
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