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    Question

    In a class, there are 39 students and their average

    weight is 51 kg. If we include the weight of the teacher, then the average weight becomes 51.2 kg. What is the weight of the teacher?
    A 53 kg Correct Answer Incorrect Answer
    B 59 kg Correct Answer Incorrect Answer
    C 57 kg Correct Answer Incorrect Answer
    D 51 kg Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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