To calculate the average speed, divide the total distance traveled by the total time taken. In this case, the driver travels 60 km in 3 hours, so the average speed is 60 km ÷ 3 hours = 20 km/h. Therefore, her average speed is 20 km/h.
His average speed is 55 kilometers per hour.
1
The average speed is 140 km/hr
60 mph
60 mph
Average speed = (total distance) divided by (total time) = (150 + 150) / (2.5 + 3.5) = 300/6 = 50 miles per hour.
The average speed if an airplane travels 1364 miles in 5.5 hours is 248 miles/hr.
His average speed is 55 kilometers per hour.
4
1
42mph
40mph
The average speed is 140 km/hr
Average speed = Distance/Time Average speed = 5400/9 = 600 mph
60 mph
60 mph
58.8 kph