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24 July, 00:32

Adam tried to compute the average of his 6 test scores. he mistakenly divided the correct sum of all of his test scores by 5, which yielded 90. what is adam's correct average test score?

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  1. 24 July, 00:54
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    Sum/5 = 90

    so Sum = 450 which should be divided by 6

    450/6 = 75 as the real average.
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