Question

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

Answer 1

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