Asked by Kemigisha
In aclass of 100 students the average mark in math paper is 60.the average mark for the top 30 students is 80.find the average mark for the remainning 70 students.
Answers
Answered by
Steve
total points: 60*100
top 30: 30*80
Now see how many points you have to divide among the other 70 students.
top 30: 30*80
Now see how many points you have to divide among the other 70 students.