1.

A boatman can row to a place 48 km distant and back in 14 hours. If he rows 4 km with the stream in the same time as 3 km against it, the speed of the boat in still water is:

A. 7 km / hour
B. 6 km / hour
C. 6.5 km / hour
D. 5 km / hour
Answer» B. 6 km / hour


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