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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?

Respuesta :

jbmow
Sum/5 = 90
so Sum = 450 which should be divided by 6
450/6 = 75 as the real average.

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