Boat A can travel upstream 60 km in 6 hours and travel downstream the same distance in 3 hours. Boat B can travel 60 km upstream in 3 hours. If boat A starts travelling in still water at 10:00 a.m. and boat B starts travelling in the same direction at 11:30 a.m, at what time will boat B cross boat A?
Reveal answer
Fill a bubble to check yourself