a train travels a distance with a speeding of 30km/h and returns with a speed of 50km/h. Calculate the average speed of train
Answers
Answered by
2
let the total distance be x
t = distance/speed
t1_x/30
t2_x/50
AVG speed = Total distance / total time
=x+x÷(x/30+x/50)
=2x÷5x+3x/150
=2x×150\8x
=150/4
=37.5km/h
t = distance/speed
t1_x/30
t2_x/50
AVG speed = Total distance / total time
=x+x÷(x/30+x/50)
=2x÷5x+3x/150
=2x×150\8x
=150/4
=37.5km/h
Similar questions