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26 March, 11:27

In Ms. Morales class, the ratio of boys to girls is 3:7. The class sizes at Ms. Morale's school range from 22 to 34 students per class. What is the total number of students in Ms. Morale's class?

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  1. 26 March, 14:57
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    For every 3 boys, there are 7 girls.

    X needs to be higher then 21 and lower then 35, so

    2135

    X=n * (3+7)

    X=n*10

    n can only be 3 so that X can be 30

    X = 3 * 10 = 30 students

    if n is 4 for example

    X = 4 * 10 = 40 which is higher than 34
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