Math, asked by TubaBrar, 1 year ago

Speed of a boat in still water is 9 km/hr. It goes 12 km down stream and comes back to the starting point in three hours.What is the speed of water in the stream?

Answers

Answered by mrmVisveshwarya
2
let the speed of still water = x km/hr
speed of a boat in still water= 9km/hr

we know
x+9=12
x=12-9
x=3
the speed of the still water=3km/hr.
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