Question

a bus travel first 240 kilometre at a speed of 80 kilometre per hour and next 360 kilometre at a speed of 90 kilometre per hour what is thle average speed​

Answer 1

Answer:

I AM NOT UNDERSTANDING PLZ FOLOW ME I WILL ALSO FOLLOW U

Answer 2

Step by step explanation :-

Distance travelled by bus in first intervell=240km

speed of the bus in first intervell=80km/hour

Time taken to travell 240km=240/80=3 hours

Distance travelled by bus in second intervell=360km

speed of the bus in second intervell=90km/hour

Time taken to travell 360km=360/90=4hours

Total distance=240+360=600

Total time taken=3+4=7

Average speed=600/7=85.7