The answer is 75 mph. If one travels at 45 mph for one mile, then in order to travel an average of 60 mph for the 2 miles, the rate must be 75 mph (60-45=15). Then add 15 to 60 to get the rate for the second mile. To check the answer add 75 and 45 and divide by 60 (the minutes in one hour) to get the distance (2 miles).
The average speed is 2050/5 = 410 miles per hour.
The car's average speed is 86.67 miles per hour.
60 mph
60 mph
Average speed is the total distance traveled divided by the elapsed time. A car that travels 60 miles in one hour, stops for one hour and travels 60 miles for another hour, has an average speed of 120 miles / 3 hours, which is 40 mph.
The average speed if an airplane travels 1364 miles in 5.5 hours is 248 miles/hr.
The average speed is 1,800 mph
186,000 miles per second
The average speed is 2050/5 = 410 miles per hour.
40mph
42mph
Colin travels at 40 mphDale travels at 46 mph.Dale has the fastest average by 6 mph.
It travels 288 miles in 4 hours 30 minutes at that speed.
The car's average speed is 86.67 miles per hour.
Average speed = Distance/Time Average speed = 5400/9 = 600 mph
Average speed = distance/time = 100/4 miles per hour = 25 mph.
Average speed = (total distance) divided by (total time) = (150 + 150) / (2.5 + 3.5) = 300/6 = 50 miles per hour.