A ship goes downstream from one port to another in 8 hours and covers the same distance upstream in 9 hours. If the speed of the stream is 3 km/hr, find the speed of the ship in still water.?
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Step-by-step explanation:
∴ Speed of the steamer in still water = 19 km/h . Distance between the ports = 9(19 + 1) = 180 km .
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Answer:
51 km/hr
Step-by-step explanation:
(x+3) * 8 = (x-3) * 9
8x+24 = 9x-27
51 = x
X+3 is for the boat going downstream
X-3 is for boat going upstream
Multiply both sides with the time it takes to do the journey
Solve the equation
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