Question

The average age of

Class 60 student
is 45
years
and the average age of
another class of 90 student Is 60 years
Find the

average age of Student of two classes. ​

Answer 1

54 years

Explanation:

Total age

(60 * 45) + (90 * 60) = 8,100

Number of students

60 + 90 = 150

Ave = total age / number of students

ave = 8,100/150

ave = 54