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27 March, 12:11

At a school number of boys to girls 11:9 there are 124 more boys than girls work out the number of student at the school

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  1. 27 March, 12:24
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    1240 because u take the ratio and then compare it
  2. 27 March, 12:39
    0
    If the ratio of boys to girls is 11:9 and there are 124 more boys than girls:

    Let's say that the number of boys is 11x and the number of girls is 9x.

    So, 11x = 9x + 124

    2x = 124

    x = 62

    The total number of students = Number of boys + number of girls

    = 11x + 9x

    = 20x

    = 1240 students

    Thus, the total number of students attending the school is 1240.
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