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4 August, 14:33

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. 4 August, 14:47
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    Step-by-step explanation:

    Total number of students=S

    Number of girls = G

    Number of Boys = G+124

    G+G+124 = S

    11/20S = G+124, solve for G, S

    G=558 - Number of girls.

    S = 1,240 - Total number of students

    1,240 - 558 = 682 - Number of boys.
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