Train A runs at the speed of 80 km/h and it leaves from station X at 6:00 o'clock. Train B departs from the same station at 6:15 o'clock. At what speed should train B run so as to reach together with Train A on the next station located at a distance of 100 km?

Train A runs at the speed of 80 km/h and it leaves from station X at 6

1.	Train A runs at the speed of 80 km/h and it leaves from station X at 6:00 o'clock. Train B departs from the same station at 6:15 o'clock. At what speed should train B run so as to reach together with Train A on the next station located at a distance of 100 km?
A.	100 km/h
B.	90 km/h
C.	95 km/h
D.	110 km/h
Answer» B. 90 km/h