The average age of 10 men is increased by 5 years when two of them whose ages are 20 years and 84 years are replaced by two new men. The average age of the two new men is ________.
A52 years
B77 years
C32 years
D40 years
The average age of 10 men is increased by 5 years when two of them whose ages are 20 years and 84 years are replaced by two new men. The average age of the two new men is ________.
A52 years
B77 years
C32 years
D40 years