A pedestrian left a village at 6 km/h. One hour later, a cyclist followed at 18 km/h. How many hours after setting off will the cyclist catch the pedestrian?
Show hints
- A pedestrian walked 6 km in an hour.
- Divide the 6 km gap by the speed difference 18 − 6.
Show the answer and solution
Answer: 0.5
By the time the cyclist leaves, the pedestrian is 6 km ahead. Approach speed 12 km/h, time 0.5 hours.