how long does it take to go 45 miles at 20 mph
It takes 10 minutes.
It takes 54 minutes to travel 45 miles going 50 miles per hour.
How long it takes to go 140 miles depends on your speed. If you are in an airplane going 560 miles an hour, it takes 15 minutes. If you are on a fast train in China going 280 miles an hour it takes 30 minutes. If you are on a fast train in France going 140 miles an hour it takes 1 hour. If you are on an interstate highway going 70 miles an hour, it takes 2 hours. If you are driving on a two lane road averaging 35 miles an hour it takes 4 hours. And if your are in New York traffic and dodging pot holes while averaging 17 1/2 miles an hour it takes 8 hours.
It takes 30 minutes.
12mph
It takes 4 minutes.
It takes 30 minutes.
It takes A/680 hours.
80 mph
It takes 2.4 hours, which is 144 minutes
It takes 7.999 minutes.
4 Minutes 30 seconds * * * * * No. 9 miles at 30 miles an hour takes 9/30 = 0.3 hours = 18 minutes.