4 hours 10 minutes
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.
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
About 45 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