
Two train stations (p.6 and p.623) are 100km apart. One train starts from p.6 at 7am and travels towards p.623 at 20km/h speed. Another train starts from p.623 at 8am and travels towards p.6 at 25km/h. What time do they meet? Choose p.8, 333, 457...
Autor Todd van Buskirk
27 aug 2015
Hardback
Preț: 325.85 lei
6-8 săpt.

