21 miles / 55 mph = 0.38 hours, or 23 minutes
Wiki User
∙ 12y ago21 minutes.
.42 hours
13hours 40minutes
Approximately 21 minutes.
distance = rate * time 7 miles = 20 mph * t t = 7 miles / 20 mph = .35 hours = 21 minutes
21 hours, 15 minutes
21 minutes
25 minutes 43 seconds.
5.95 hours
227 miles at 20 mph = 11.35 hours or 11 hours 21 minutes.
mph means Miles Per Hour, so 21 miles takes 21/60=.35 hour. Then .35 hour is equal to .35*60=21 minutes. So the final answer is 21 minutes
9 hours 21 minutes.