Question

The average age of the 8 people in room A is 25. The average age of the 12 people in room B is 50. If the people in the 2 rooms are put together in one room, what would be the average age of the 20 people? Explaination please!
A) 32
B) 34
C)36
D) 38
E) 40

Answer 1

The average would be the total amount divided by the 2 groups, so the answer would be 37.5 years old.