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1. |
A man can row $$7{1 over 2}km/h$$ in still water. If a river running at 1.5 km an hour, it takes him 50 minutes to row to a place and back, how far off is the place? |
A. | 3 km |
B. | 4 km |
C. | 5 km |
D. | 8 km |
Answer» B. 4 km | |