About 45 mph.
150 miles in four hours means an average of 37.5 mph.
The average speed for the 3,000 miles is 66.7 miles per hour.
4 hours 10 minutes
That depends entirely on the average speed you are driving at
He drove 180 miles in 5 hours for an average speed of 36 miles per hour.
Hours is time. Miles is length/distance.. No conversion. If you want to know driving times, you need a speed. (or at least an average speed.)
23.62 hours if driving at a constant speed.
36 mph
Your average speed was 59.3 miles per hour.
20 miles per hour.
100 miles
Average speed was 65 mph. 100 miles + 420 miles = 520 miles 2 hours + 6 hours = 8 hours 520/8 = 65 mph