SOLUTION: A speedboat moves at a rate of 25 km/hr in still water. How long will it take someone to ride the boat 62 km downstream if the river�s current moves at a rate of 6 km/hr?

Question 1107988: A speedboat moves at a rate of 25 km/hr in still water. How long will it take someone to ride the boat 62 km downstream if the river�s current moves at a rate of 6 km/hr?

Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A speedboat moves at a rate of 25 km/hr in still water.
How long will it take someone to ride the boat 62 km downstream if the river�s current moves at a rate of 6 km/hr?
:
When a boat travels downstream, the current speed is added to still water speed:
6 + 25 = 31 km/h is the effective speed
:
Time = dist/speed
t =
t = 2 hrs to travel downstream 62 km
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