Time taken to travel a certain distance of x x x km at speed of 40 km/h 40 \text{ km/h} 40 km/h is 2 hours more than the time taken to travel ( x + 20...
Question
Time taken to travel a certain distance of km at speed of is 2 hours more than the time taken to travel km at speed of . Find the time taken to travel km at the speed of ?