- A7 km/h
- B3 km/h
- C10 km/h
- D9 km/h
Step-by-Step Solution
On a calm lake there is no current, so his speed is the still-water speed = 5 + 2 = 7 km/h.
Answer: A) 7 km/h
Tenzing paddles his kayak upstream at 5 km/h on a river flowing at 2 km/h. What would his speed be on a calm lake?
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