Question

In a school the average age of 41 boys of Class 1 is 6.25 years, that of 36 boys of
Class 2 is 7.31 years, and that of 25 boys of Class III is 8.93 years. Find the average age of
the boys of the three classes.​

Answer 1

Answer:

7.49667

Step-by-step explanation:

I hope this is correct