Question

A car is supposed to reach somewhere at 12 noon. If the car travels at a speed of 10 km per hour, it is 20 minutes late to reach the place, but if it travels at a speed of 15 minutes, it can reach 10 minutes earlier. What is the distance from the destination to the destination?

Answer 1

Answer:

Let the distance travelled by x km.Then, x/10 - x/15 = 2 3x - 2x = 60 x = 60 km .Time taken to travel 60 km at 10 km/hr = (60/10)hrs = 6 hrs.So, Robert