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Thread: answer of grade puzzle

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    answer of grade puzzle

    ANSWER :

    Find a common denominator for 3, 4, 6 and 8.
    The only common denominator smaller than 30 is 24.
    Therefore, the class size was 24 and the grades were :

    B: 8
    B-: 6
    C: 4
    D/F: 3

    The number of students who received A`s was 3
    (24 - 21)



     

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