Walk 10 km at 5 km/h and 15 km at 10 km/h. Total time?
Question 1
Q1. Walk 10 km at 5 km/h and 15 km at 10 km/h. Total time?
Answer: 3.5 h
Explanation: First leg 2 hours plus second leg 1.5 hours gives 3.5 hours.