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The speed of a boat in still water is 13 km/h and the speed of the stream is 4 km/h. How much more time will it take in going upstream than ingoing downstream a distance of 68 km? (Correct to the nearest minute)

A3 h 30 min

B3 h 50 min

C3 h 33 min

D2 h 55 min

Answer:

C. 3 h 33 min

Read Explanation:

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