Question

Running at an average speed of 40 km/hr, a bus completes a journey in 4.5 hours.How much time will the return journey take if the speed is increased to 45 km/hr​

Answer 1

Answer: 4 hrs

Step-by-step explanation:

Distance = 40 x 4.5

               = 180 km

If s is increased to 45 km/h,

t = D/s = 180/45

 = 4 hrs