The average age of 8 people is 50 years. The second group consists of 10 people whose average age is 70 years. When both the groups are combined, what will be the average age of all the people?
1
61.11
2
72.4
3
58.25
4
54.5
The average age of 8 people is 50 years. The second group consists of 10 people whose average age is 70 years. When both the groups are combined, what will be the average age of all the people?