A mile is a unit of length. An hour is a unit of time. Without some unit of speed to convert, the two units are incompatible.
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138 km - 85.7 miles
It would take three hours eleven minutes and eighteen seconds (3:11:18) to fly 440 miles at a speed of 138 mph.138 miles per hour is 2.3 miles per minute.440/2.3=191.3191.3/60=3 → Remainder of 11.30.3 minutes is equal to 18 seconds.
At 1 mile per hour it is 55 hours, at 2 miles an hour it is 27.5 hours at 5 miles an hour it is 11 hours at 55 miles an hour it is 1 hour at 60 miles an hour it is 55/60 hour or 55 minutes at 120 miles an hour it is 27.5 minutes at 550 miles an hour it is 6 minutes etc
It depends on the speed. At 10 miles per hour 100 miles is 10 hours. At 100 miles an hour it is 1 hour. At 1000 miles an hour it is 0.1 hour (= 6 minutes).
1 hour. You can go 80 miles in an hour. Hence Miles Per Hour or MPH.... If you were traveling at 45 Miles Per Hour, that means In 1 Hour you cover 45 Miles