This seems to be a trick question, but the answer is 18 hours, as given in the question itself.
The train's average speed was 34.5 miles per hour.
The average speed is 2050/5 = 410 miles per hour.
The car's average speed is 86.67 miles per hour.
The average speed for the 3,000 miles is 66.7 miles per hour.
Divide the distance by the time. 1,580 miles divided by 4 hours = an average speed of 395 miles per hour.
The train's average speed was 34.5 miles per hour.
The average speed is 2050/5 = 410 miles per hour.
The average speed is 66.67 miles per hour.
The car's average speed is 86.67 miles per hour.
The average speed is 332.31 miles per hour.
The average speed is 62.5 miles per hour(mph)
20 miles per hour.
The average speed for the 3,000 miles is 66.7 miles per hour.
Divide the distance by the time. 1,580 miles divided by 4 hours = an average speed of 395 miles per hour.
54.55 miles per hour.
300 MILES
The car's average speed is 10.64 miles per hour.