His average speed is 55 kilometers per hour.
1
The average speed is 140 km/hr
60 mph
I have know clue
120 ÷ 3 = 40 kph
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.
40mph
4
42mph
1
The average speed is 140 km/hr
Average speed = Distance/Time Average speed = 5400/9 = 600 mph
58.8 kph
b
100 Km.