Question

Each of the two numbers were increased by 10. How did the average of the two numbers change?​

Answer 1

Average increased by 10

Explanation:

Lets take 2 numbers - 10 and 12. The average of these two numbers is 11. By adding 10 to both of these numbers you get 20 and 22. The average of these numbers is 21. The average of the 2 numbers increased by 10