The average of a set of 5 numbers is 20. If 4 additional numbers are added to the set, the average...

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The average of a set of 5 numbers is 20. If 4 additional numbers are added to the set, the average increases to 24. What is the average of the additional 4 numbers?

A. 22
B. 25
C. 26
D. 28
E. 29

OA E
Source: — Problem Solving |