The average age of 10 children is 9 years 9 months. The average of 9 children is 8 years 11 months. What is the age of the tenth child ?

The average age of 10 children is 9 years 9 months. The average of 9 c

1.	The average age of 10 children is 9 years 9 months. The average of 9 children is 8 years 11 months. What is the age of the tenth child ?
A.	7 years 3 months
B.	8 years 4 months
C.	7 years 5 months
D.	8 years 3 months
Answer» B. 8 years 4 months

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The average age of 10 children is 9 years 9 months. The average of 9 children is 8 years 11 months. What is the age of the tenth child ?

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