Answered

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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 yields 84. What is Adam's correct average test score?

Sagot :

Geekhawk
Adam mistakenly divided his test scores 6 times instead of 7.
So if the average yielded 84 when divided by a 6, then you multiply by 6
84×6=504
So you divide 504 by 7 (the correct amount of test scores)
504÷7=72 which is often equivalent to a B-
72 is Adam's grade point average.
Number Of Tests=7

6*84=6(80+4)=480+24=504

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504/7=72

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Adam's correct average test score is 72.
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