Question

a bus covers a certain distance in 3 hours 20 min at an a erage speed of 45 km per hours.How much time will take to cover the same distance at a speed of 50 km per hour?​

Answer 1

Answer. 3hrs 20 mins = 3 1/3 hour. speed = 45km/h. =15×10=150km.

Answer 2

Answer:

Speed=TimeDistance

Speed=45km/hr

Time=331hrs=10/3hrs

Distance=Speed×Time

Distance=45×310

Distance=15×10

∴Distance=150km

Now Speed=36km/hr

Time=SpeedDistance=36150=4366=4hrs and 10mins