Sagot :
8:10 - 11:10 = 3 hrs
255km / 3 hrs = 85kph
average speed of the train: 85kph
255km / 3 hrs = 85kph
average speed of the train: 85kph
11:10 - 8:10 = 3 hrs.
255 ÷ 3 = 85
so it means that the average speed of the train is 85 kph.
255 ÷ 3 = 85
so it means that the average speed of the train is 85 kph.