Please Help Me

[cullowheelovesme]

A mean average of 60 on 8 exams. On her first 7 exams she got grades of 52,74,76,57,69,78,54
1,What grade must she receive on her last exams to pass?
2.An average of 70 is needed to get an C.Is it possible for her to get an C?
3.If her lowest grade of her exams dropped what grade must she receive on her last exam to pass her course?
4.If her lowest grade of her exams dropped what grade must she receive on her last exam to get an C course?

 

[Deleted member 4993]

A mean average of 60 on 8 exams. On her first 7 exams she got grades of 52,74,76,57,69,78,54
1,What grade must she receive on her last exams to pass?
2.An average of 70 is needed to get an C.Is it possible for her to get an C?
3.If her lowest grade of her exams dropped what grade must she receive on her last exam to pass her course?
4.If her lowest grade of her exams dropped what grade must she receive on her last exam to get an C course?

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[stapel]

A mean average of 60 on 8 exams. On her first 7 exams she got grades of 52,74,76,57,69,78,54
1,What grade must she receive on her last exams to pass?

What is a "passing" grade? Are the exams weighted in any manner?