tinaxiao
30.06.2019 •
Mathematics
Suppose you took eight math tests this semester. if your average score on your first six tests was 84 and your average score on all eight tests was 86, then what was the average of your last two test scores?
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Ответ:
6.71, if you round it, it would be 7. To solve the problem, I used the the ‘arc formula.’