Question 269962
A small cruise boat took 3 hours to travel 36km down a river with the current. On the return a trip it took 4 hours again the current. Find the speed of the current and the speed of the small cruise boat in still water.
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The downstream speed was 12 km/hr
The upstream speed was 9 km/hr
The boat's speed is the average, 10.5 km/hr
The speed of the current is the difference, 1.5 km/hr