A steamer covers the distance between two parts in 3 hours when it goes downstream and 5 hours when it goes upstream.Find the speed of the steamer upstream if the stream flows at 3km/h.
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Step-by-step explanation:
speed of steamer downstream =x+3
speed of steamer in upstream =x-3
distance is y
distance/speed =time
y/x+3=3
y/x-3=5
3x+9=5x-15
when you solve the equation
x=12
speed in upstream is x+3=12+3=15 km/hr
hope you understand this
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