SOLUTION: mean average of 60 on 8 exams is needed to pass a course. On her first 7 ​exams, Sheryl received grades of 47, 72, 71, 59, 70, 73 and 58.
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Question 1024778: mean average of 60 on 8 exams is needed to pass a course. On her first 7 exams, Sheryl received grades of 47, 72, 71, 59, 70, 73 and 58. Answer by FrankM(1040) (Show Source):
You can put this solution on YOUR website! The 8 grades must add to 8*60 = 480
47, 72, 71, 59, 70, 73 and 58 add to 450.
30 gets her the 60 average.
