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
Algebra ->
Average
-> 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
Log On
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) (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