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Question 1 of 4
The average age of 8 boys was 12 years 8 months.
3 boys were 11 years 7 months, 12 years 9 months and 9 years 6 months of age.
Find the average age of the other boys.
Notes to students:
- Leave your answer as a mixed number in the form of A B/C where it is A`B/C`