which of the following represents a pair of proportional ratio or rate?
A. 3 hits in 5 times at bat;6 hits in 15 times at bat
B. 16 step in 2 minutes;24 step in 4 minutes
C.$81 for 3 baseball tickets;$54 for 2 baseball tickets
D.183 miles driven in 3 hours;248 miles in 4 hours​