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Charlie can grade exams in

Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take
1. 3 answers
2. asked by Devin
3. 580 views
A mean average of 60 on 6 exams is needed to pass a course. on his first 5 exams, Adam received grades of 46,73,73,63 and 70. If
1. 2 answers
2. asked by tony
3. 1,379 views
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72.
1. 4 answers
2. asked by tony
3. 1,109 views
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72.
1. 1 answer
2. asked by tony
3. 1,274 views
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72.
1. 1 answer
2. asked by tony
3. 1,162 views
wai ling averaged 84 on her first three exams and 82 on her next 2 exams.what grade must she obtain on her sixth test in order
1. 1 answer
2. asked by pavleen
3. 979 views
Alma can grade a batch of placement exams in 3hr and Kevin can grade a batch in 4hr. if they work together to grade a batch of
1. 1 answer
2. asked by Kgk
3. 710 views
a student’s grade in a class is simply the mean of five 100-pointexams a. If the student has grades of 77, 73, 97, and 89 on
1. 1 answer
2. asked by Debbie
3. 782 views
I do not need the answers because I do not want to cheat, I just need the questions for algabra1 exams 007027-007032, algabra2
1. 2 answers
2. asked by katelynn
3. 826 views
Your grades on three exams are 80, 93, and 91. What grade would you need on your next exam to have an average of 88 on the four
1. 1 answer
2. asked by sara
3. 75 views