Question

A mean average of 60 on 8
exams is needed to pass a course. On her first 7
​exams, Sheryl received grades of 52, 72, 69, 63, 69, 71 and 53

Answer 1

you add up all the numbers then divide the total by how many numbers you had originally

Answer 2

A score of 31 will get an exact average of 60- if that is what the question is asking