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OpenStudy (anonymous):
Sheryl's mean average on eight exams is 83.750. Find the sum of her scores. A. 770 B. 670 C. 693 D. 686
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OpenStudy (dumbcow):
avg = sum/n 83.75 = sum/8 sum = 8*83.75
OpenStudy (anonymous):
i get it. thanx
OpenStudy (anonymous):
I don't get it please help me understand what to do
OpenStudy (anonymous):
never mind I got it I think it;s B
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