If it takes 60 minutes to drive 15 miles, it would therefore take 4 minutes to drive 1 mile (60/15=4) so 8 minutes to drive 2 miles!
8 minutes
20 minutes.
56 minutes.
1.5 hours
it depends how fast you are going
12 hours.
50 min
7.73 hours
2.8 hours
About 9 seconds.
6 minutes
30 minutes.
33 minutes.
12 minutes
About 1.25 hrs