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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 | |