The pedestrian walked to the stop 15 km at a speed of 5 km / h. After the stop, he walked another 8 km at a speed of 4 km / h.

univerkov | November 25, 2020 | education

The pedestrian walked to the stop 15 km at a speed of 5 km / h. After the stop, he walked another 8 km at a speed of 4 km / h. How much time did the pedestrian spend on the entire journey?

an elementary solution, and for it you just need to know the formula for finding the time. Path: speed.
1) 15: 5 = 3 (h) – it was needed on the first path.
2) 8: 4 = 2 (h) – needed for the second path.
3) 3 + 2 = 5 (H) – needed to complete both paths.
Answer: 5 hours.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.