6
7.
year.
The average age of 10 children is 6 years 6 months. If the average age of 9
children is 6 years 2 m
Question
6
7.
year.
The average age of 10 children is 6 years 6 months. If the average age of 9
children is 6 years 2 months, find the age of the 10th child.
Answers ( )
Answer:
the correct answer is 17 years 3 months.