A streamer covers the distance downstream and upstream between two ports in 6 hours and 8 hours,respectively.If the speed of the stream is 4km/h,find the speed of the streamers in the still water.
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Answer:
14km/hr
Step-by-step explanation:
Time taken ratio
Downstream :Upstream
6 hours :8 hours
3:4 (time taken)
4:3 ( speed)
stream =4 km/hr
Boat speed Boat speed Boat speed
Downstream still water upstream
4 3.5 3
stream speed is 0.5 as per ratio
since stream speed is 4km/hr we get
Downstream still water upstream
16 14 12
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