document.write( "Question 805445: A man is rowing a boat upstream. As he passes under a bridge, a bottle falls out. 20 min later the rower realizes this and rows back to pick it up. He catches up with the bottle 1 mile downstream from the bridge. How fast is the current? \n" ); document.write( "
Algebra.Com's Answer #485283 by AnlytcPhil(1810)\"\" \"About 
You can put this solution on YOUR website!
Alan is pretending that the water in the river is perfectly still and the river bed is moving under it. He is pretending that the bottle does not move at all.
\n" ); document.write( "What he has found is not the rate of the current, for the water is still. He has found the rate of the moving river bed under the perfectly still water. That is a legitimate, and simple, way to look at the problem, although amusing.\r
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