please help me .... SORRY! BUT ALL HELP IS REALLY APPRECIATED! AND WOULD LIKE IF YOU COULD HELP A GURL OUT THANKS

Dan traveled 72 miles in 24 hours. A unit rate to describe Dan's travel is 3 miles per hour. What is another unit rate in this situation?


A. 1 over 3 hour per mile

B. 1 over 3 mile per hour

C. 1 mile per hour

D. 3 hours per mile