At 20 mph how long would it take to drive one mile?
18 seconds to travel a mile at 200 mph.
I presume you mean how long will it take for a 12 miles bike ride. It depends on how fast you can bike, if it's uphill or downhill. The average is between 8-13 mph for most people to bike on a 10-speed on the whole. By that measurement, it could take 50-90 minutes or so on the average.
About 5-6 minutes
10 Minutes 6 mph= 1 Mile every 10 Minutes
About 51 seconds.
2 minutes.
It will take 45 seconds.
About 51 seconds at 70 mph.
It would take approximately 2 minutes to go 1 mile at a speed of 30 mph.
26 minutes
about 3 minutes