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27 September, 22:07

Arnold calculated his mean score after three rounds of golf. he noticed that his score in the first round was 3 strokes below the mean and his score in the second round was 1 stroke below the mean if Arnold's mean score was 72 what was his score in the third round

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  1. 27 September, 22:32
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    Mean = 72

    First round = 72-3 = 69

    Second round = 72-1 = 71

    Third round = 76

    Explanation:

    Total score = 72*3 = 216

    69+71+x = 216

    140+x = 216

    x = 76
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