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Difference between boat speed in still water and current = 12 km/h. Ratio of speed in still water to current = given. Find the total distance traveled in a specific scenario.

1. 105km
2. 120km
3. 135km
4. 150km

Correct answer: 135km

Solution

Using the given difference (B-C=12) and ratio between still-water speed and current, individual speeds can be found. The distance scenario in the original question yields 135km.

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