If speed of the stream is x km/h. and speed of the motor in still water is 18 km/h then.Find the speed of the boat upstream , down stream respectively
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Answer:
upstream = 18-x km/hr
downstream=18+x km/hr
Step-by-step explanation:
in upstream river offers resistance to boat so speed is reduced
but in downstream river helps to move boat more easily so speed is increased
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