The speed of a boat in still water is 8km/h. If the boat goes 26.1 km upstream in 4 hours 30 minutes, find the speed of the stream
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Step-by-step explanation:
Let the speed of stream be x km/h.
Then time taken by boat to go 26.1 km upstream=4.5hours
Now
Speed*Time=Distance
(8-x)*(4.5)=26.1
36-4.5x=26.1
4.5x=9.9
x=2.2
Therefore the speed of stream is 2.2km/h.
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