A boatman rows to a place 30 km distant and back in 14 hours. He finds that he can row 10 km with the stream in the same time as 4 km against the stre...
Question
A boatman rows to a place 30 km distant and back in 14 hours. He finds that he can row 10 km with the stream in the same time as 4 km against the stream. Find the speed (in km/h) of the stream.