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23 December, 09:37

There is a ratio of 3 boys to every 4 girls. if there are 245 total students, how many are boys

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  1. 23 December, 09:46
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    Answer:105 boys

    Step-by-step explanation : for every group of 7 students (3+4) there are 3 boys and 4 girls. And how many groups do we have? We have:

    245/7 = 35 We have 35 groups, and we just said that each group has 3 boys and 4 girls:

    35*3 = 105 boys

    35*4 = 140 girls

    Total: 245 students
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