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Questions and answers by
Cedrick Bryll Castulo Sison
Answers (1)
Suppose he move 4 km downstream in x hours. Then, Speed downstream = 4 km/hr. x Speed upstream = 3 km/hr. x 48 + 48 = 14 or x = 1 . (4/x) (3/x) 2 So, Speed downstream = 8 km/hr, Speed upstream = 6 km/hr. Rate of the stream = 1 (8 - 6) km/hr = 1 km/hr. 2
