Kramer can pack X boxes of cigarettes per minute. If there are Y boxes of cigarettes in one case, how many cases can Kramer pack in 3 hours?	Pick.
A) 60X/Y.	B) 180X/Y.	C) 60Y/X.	D) 120Y/X.	E) (X + Y)/60.
Kramer can pack X boxes per min.   Therefore in 3 hrs(180mins)he can pack 180X boxes.   If there are Y boxes in one case then then the total number of cases packed by Kramer = 180X/Y   (ANSWER 180X/Y.).
<result>B</result>
Kramer can pack X boxes of cigarettes per minute. If there are Y boxes of cigarettes in one case, how many cases can Kramer pack in 3 hours?