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 ... time do they meet? Choose p.8, 333, 457... Book Discussion
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 ... time do they meet? Choose p.8, 333, 457...
by
