SOLUTION: Going upstream, a rowboat travels at 12 km/h. Going downstream, the same rowboat travels at 28 km/h.Find the rate of the current and the rateam of rowing in still water. Please h

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Question 1046675: Going upstream, a rowboat travels at 12 km/h. Going downstream, the same rowboat travels at 28 km/h.Find the rate of the current and the rateam of rowing in still water.
Please help me.
Thanks for your cooperation.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
r=rate of boat
c=rate of current
r-c=12
r+c=28
add them, c disappears
2r=40
r=20 km/h speed in still water.current (c)=8 km/h
20-8=12
20+8=28