SOLUTION: Please help me solve this problem. A boat can travel 60 km downstream in 3 hours and 30 km upstream in 2 hours. What is the speed of the current and the speed of the boat in sti

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Please help me solve this problem. A boat can travel 60 km downstream in 3 hours and 30 km upstream in 2 hours. What is the speed of the current and the speed of the boat in sti      Log On


   

Question 1193496: Please help me solve this problem.
A boat can travel 60 km downstream in 3 hours and 30 km upstream in 2 hours. What is the speed of the current and the speed of the boat in still water?
Thank you!
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
                  SPEEDS       TIMES        DISTANCES
DOWNSTR           r+c            3            60
UPSTREAM          r-c            2            30

system%28r%2Bc=20%2Cr-c=15%29
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