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.Com
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
RELATED QUESTIONS
A mean average of 60 on 6 exams is needed to pass a course. On her first 5 exams Sheryl... (answered by MathLover1)
mean average of 60 on 8 exams is needed to pass a course. On her first 7 exams,... (answered by FrankM)
A mean average of 60 on 7 exams is needed to pass a course. On her first 6 exams i... (answered by josmiceli)
a mean average of 60 on seven exam is needed to pass a course. on her first exams, paula... (answered by richwmiller)
A mean average of 60 on 8 exams is needed to pass a course. On her first seven exams... (answered by sudhanshu_kmr)
A mean average of 60 of 6 exams are needed to pass a course. I have exam grades of 49,... (answered by rfer)
Determining a Necessary Grade: A mean average of 80 or greater for five exams is needed... (answered by checkley71)
An average grade of 80 on all exams in a course is needed to earn a B in the course. On... (answered by josgarithmetic,ikleyn,greenestamps)
there are four exams in a semester. a student received grades of 80, 65, and 73 on the... (answered by stanbon)