AmyDorrington
His average speed is 55 kilometers per hour.
Wiki User
∙ 2010-04-19 21:43:01Average speed = distance / time = 850/5 = 170 km per hour
Expressed in kilometres per hour, this is equal to 300/6 = 50 kilometres per hour.
A driver who travels 140 kilometres in 2 hours!
Dividing distance travelled by time taken gives 23 / 1.5 = 15.3 recurring (that is, 15.3333...) or 15 and one third kilometres per hour.
Dividing distance travelled by time taken gives 450/5 = 90 kilometres per hour.
Dividing distance travelled by time taken gives 160/2 = 80 kilometres per hour.
The average speed if an airplane travels 1364 miles in 5.5 hours is 248 miles/hr.
4
1
40mph
42mph
60 KPH