The average of 5 numbers is 17. When a new number is added, the average becomes 19. Find the new number.
- A. 26
- B. 34
- C. 22
- D. 29 ✓
Correct answer
D. 29
Explanation
Total of 5 numbers = 85. Total of 6 numbers = 114. New number = 114 - 85 = 29.
D. 29
Total of 5 numbers = 85. Total of 6 numbers = 114. New number = 114 - 85 = 29.