If 180/x is an integer and 108/x is an integer, which of the following must be true?
I. 9/x is an integer.
II. 12/x is an integer.
III. 36/x is an integer.  Choose the correct choice:  A) I, II, and III  B) III only  C) I and II only  D) II and III only  E) I only
The largest possible value of x is 36 (the greatest common factor of 180 and 108), and if x=36 then   III only
<result>B</result>
If 180/x is an integer and 108/x is an integer, which of the following must be true?
I. 9/x is an integer.
II. 12/x is an integer.
III. 36/x is an integer.