Question

the average age of 10 children is 9 years 9 months. the average age of 9 children is 8 years 11 months. what is the age of the tenth child. ​

Answer 1

Step-by-step explanation:

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) 17 years 3 months

B) 18 years 4 months

C) 17 years 5 months

D) 18 years 3 months

Correct Answer:

A) 17 years 3 months