Question

A man travels 900km ay 60kmph he then travels anither 600km at 40kmph what is the avg speed

Answer 1

here is your answer

given :

distance1 = 900 km

speed1 = 60 km/hr

distance2 = 600 km

speed2 = 40 km/hr

to find : average speed

solution :

avg. speed = (d1+d2)/(t1+t2)

avg. speed = (d1+d2)/[(d1/v1)+(d2/v2)]

avg. speed = (900+600)/[(900/60)+(600/40)]

avg. speed = 1500/(15+15)

avg. speed = 1500/30

avg. speed = 50 km/hr

so, the average speed is of 50 km/hr.

Answer 2

Answer:

Check the attachment!!