If the median of the observations 21, 22, 25, 26, x, x + 4, 35, 38, 39, and 40 arranged in ascending order is 30, then the 6th observation is:

If the median of the observations 21, 22, 25, 26, x, x + 4, 35, 38, 39

1.	If the median of the observations 21, 22, 25, 26, x, x + 4, 35, 38, 39, and 40 arranged in ascending order is 30, then the 6th observation is:
A.	33
B.	28
C.	32
D.	29
Answer» D. 29