For the positive integers x, x + 2, x + 4, x + 7, and x + 17, the mean is how much greater than the median? Pick one:
A) 0
B) 1
C) 2
D) 4
E) 7
Mean = (x + x+2 + x+4 + x+7 + x+17)/5   =(5x+30)/5   =x+6   Median = x+4   Thus Mean - Median = x+6 - (x+4)   =2   Answer +6 - ( +4)= 
<gadget id="calculator">+6 - ( +4)</gadget>
<output>2</output>
2   Answer= 2
<result>C</result>
For the positive integers x, x + 2, x + 4, x + 7, and x + 17, the mean is how much greater than the median?