- A2 h 36 min
- B3 h 15 min
- C2 h 10 min
- D4 h 20 min
Step-by-Step Solution
Upstream = 9 km/h, so downstream km/h. Time = 39 ÷ 15 = 2.6 h = 2 h 36 min.
Answer: A) 2 h 36 min
The current is 3 km/h. A boat takes 3 hours to go 27 km upstream. How long will it take to go 39 km downstream?
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