Posted by Shelby on .
The average of the first 4 numbers is 14. The average of the next 6 numbers is 25. What is the average of all 10 numbers. Can you explain how to calculate this please.

Math 
Ms. Sue,
4 * 14 = 56
6 * 25 = 150
150 + 56 = 206
206 / 10 = 20.6