SOLUTION: Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. What is Adam's correct average test
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Question 384503: Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. What is Adam's correct average test score? Answer by ewatrrr(24785) (Show Source):
Hi,
6*84 would equal the sum of Adam's test scores = 504
Correctly dividing by 7 to obtain the average test score
504/7 = 72, the correct average test score of the 7 tests.