SOLUTION: Traveling downstream, a boat can go 18km in 2 hours. Going upstream, it makes only 2/3 this distance in twice the time. What is the rate of the boat in still water, and what is the

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Traveling downstream, a boat can go 18km in 2 hours. Going upstream, it makes only 2/3 this distance in twice the time. What is the rate of the boat in still water, and what is the      Log On

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Question 905982: Traveling downstream, a boat can go 18km in 2 hours. Going upstream, it makes only 2/3 this distance in twice the time. What is the rate of the boat in still water, and what is the rate of the current?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
r + c = 9kmph 18km%2F%282hr%29
r - c = 3kmph 12km%2F%284hr%29
2r = 12kmph
r = 6kmph and c = 3kmph 9-6