SOLUTION: A mean average of 60 on 7 exams is needed to pass a course. on her first 6 exams, sheryl received grades of 49, 73, 69, 57 66 and 71 what grade must she receive on her last exam t

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Question 1004294: A mean average of 60 on 7 exams is needed to pass a course. on her first 6 exams, sheryl received grades of 49, 73, 69, 57 66 and 71
what grade must she receive on her last exam to pass the course?

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Provided they are all weighted evenly, we set it up as
(49+73+69+57+66+71+x)/7 >= 60
and
49+73+69+57+66+71+x >= 420
385 + x >= 420
x >= 35