If 4<x<8<y<12, then what is the greatest possible positive integer difference of x and y? Choose the correct choice from the following:
A) 3
B) 4
C) 5
D) 6
E) 7
Let x=4.1 and y=11.1   Greatest possible difference=11.1-4.1= 
<gadget id="calculator">11.1-4.1</gadget>
<output>7</output>
7   Answer 7
<result>E</result>
If 4<x<8<y<12, then what is the greatest possible positive integer difference of x and y?