Averages · solved example
The average of five consecutive whole numbers is 20. What is the largest of the five numbers?
- 22Correct
- 21
- 24
- 20
Solution
For consecutive numbers the average is the middle number, so the middle one is 20 and the numbers are 18, 19, 20, 21, 22. The largest is 20 + 2 = 22.