SOLUTION: in an examination 7 pupils scored 60 8 scored 65 marks and 10 scored 56 what was the average score among all the pupils
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Question 830164: in an examination 7 pupils scored 60 8 scored 65 marks and 10 scored 56 what was the average score among all the pupils
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
Find the total score, then divide by the total number of students.
(7*60) + (8*65) + (10*56) / total number of students (7+8+10)
420 + 520 + 560 / 25
1500 / 25 = 60
.
It must have been a difficult exam!
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