The mean of the 5 smallest numbers from a group is 18 while the mean of all the 13 members of the group taken together is 20. What is the mean of the 8 largest numbers?

The mean of the 5 smallest numbers from a group is 18 while the mean o

1.	The mean of the 5 smallest numbers from a group is 18 while the mean of all the 13 members of the group taken together is 20. What is the mean of the 8 largest numbers?
A.	22.50
B.	22.75
C.	21.75
D.	21.25
Answer» E.