SOLUTION: A barge takes 3 hours to move (at a constant speed) downstream for 27 miles, helped by a current of 3 miles per hour. If the barge's engines are set at the same pace, find the time
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Question 324804: A barge takes 3 hours to move (at a constant speed) downstream for 27 miles, helped by a current of 3 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current. Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Rate*Time=Distance
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Let B be the barge speed in still water.
On the return trip, the current works against you.
It takes 9 hours to make the return trip.
