Question

a boat takes 2hours to travel 8Km down and 8Km up the river when the water is still how much time will the boat take to make the same trip when the river starts flowing at 4Kmph? please explain how to solve​

Answer 1

Answer:

With water velocity of 4kmph, the time taken for going upstream of 8km and coming back is. Answer: Speed of boat in still water = 16/2 = 8 km/hr. time for travelling 8 km downstream = 8/(8+4) = (2/3) hr = 40 min.

Answer 2

Explanation:

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