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2 September, 19:31

At a school number of boys : number of girls = 11 : 9

There are 124 more boys than girls.

Work out the total number of students at the school.

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  1. 2 September, 19:56
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    Ok, so 11:9

    11-9 = 2

    which means that 124 = 2:1

    124/2 = 62

    so 62:0

    now 11 x 62 = 682

    9 x 62 = 558

    so the ratio is 682:558

    now 682 + 558 = 1,240

    There are 1,240 total students in the school. 682 boys and 558 girls
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