SOLUTION: A motorboat goes 36 km downstream in the same amount of time it takes to go 24 km upstream. If the current is flowing 3 km/h, what is the speed of the boat in still water?

Question 375231: A motorboat goes 36 km downstream in the same amount of time it takes to go 24 km upstream. If the current is flowing 3 km/h, what is the speed of the boat in still water?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate*Time=Distance
.
.

Let B be the speed of the boat.
With the current,

Against the current,

Equate the two times,

kph

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