Question

9. A train takes 6 hours to complete a journey at a speed of 72 km/h. How long will another
train take to complete the same journey if its speed is 15 m/s​

Answer 1

Step-by-step explanation:

Speed of train 72km/h

Speed = distance/time

Total Distance covered by train = speed*time

= 72*6 = 432 km

Time to covered same distance

Time = Distance/speed

= 432/15 = 28 hours aproxx

Answer 2

Answer:

28hours

Distance=speed*time

Distance=72*6=432

time=distance/speed

432/15=28.8hrs