lesedihlalele34 lesedihlalele34

06-03-2022
Mathematics

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2.2 The ratio of the number of boys to the number of girls in a grade 8 class is 4: 5. If there are 36 learners altogether, how many boys and girls are in the grade 8 class?

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indrawboy indrawboy

06-03-2022

boys : girls = 4 : 5

boys + girls = 36 (total comparison = 4+5=9)

boys = 4/9 x 36 = 16

girls = 5/9 x 36 = 20

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