SOLUTION: Jim can row his boat upstream at four kilometers per hour, and downstream at six kilometers per hour. He rowed upstream a certain distance and then rowed back downstream to his sta

Question 1006584: Jim can row his boat upstream at four kilometers per hour, and downstream at six kilometers per hour. He rowed upstream a certain distance and then rowed back downstream to his starting point in one hour. How far did he row upstream?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Row=4 km/h
Current=C
R-C=4 km/h
R+C=6 km/h
2R=10
R=5 km/h
C=1 km/h
t=time upstream in hr.
1-t=time downstream in hr.
4t=6(1-t)
4t=6-6t
10t=6
t=(3/5) hour or 12/5 km. upstream
1-t=(2/5) hour or 12/5 km downstream
12/5 km or 2.4 km.
RELATED QUESTIONS
A man can row downstream 18 km at the same time that he can row 10 km upstream. What is... (answered by scott8148)

A boat can be rowed at 4 times the speed of the current. If the boater in travel 18 miles (answered by josgarithmetic,ikleyn,greenestamps)

A boat is traveling in a river that is flowing downstream at a speed of 5 kilometers per... (answered by ikleyn)

Solve. A boat moves 5 kilometers upstream in the same amount of time it moves 17... (answered by mananth)

A man can row a boat four miles per hour in still water. If he can row downstream 3 times (answered by josmiceli)

A boat can go downstream at the rate of 25 Kilometers per hour. It can return against... (answered by Alan3354)

A boat moves 9 kilometers upstream in the same amount of time it moves 16 kilometers... (answered by checkley75)

A boat moves 9 kilometers upstream in the same amount of time it moves 19 kilometers... (answered by ankor@dixie-net.com)

A boat moves 9 kilometers upstream in the same amount of time it moves 16 kilometers... (answered by jorel1380)