Mathematics · Boats and Streams
A man rows a boat 20 km downstream in 2 hours and returns upstream in 4 hours. Determine the speed of the boat in still water.
- 16.5 km/h
- 27.5 km/h✓
- 38.5 km/h
- 49.5 km/h
Correct answer
7.5 km/h
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