document.write( "Question 352610: A man can row downstream 18 km at the same time that he can row 10 km upstream. What is the rate of the current if he can row 4 kilometers per hour in still water? \n" ); document.write( "
Algebra.Com's Answer #252203 by scott8148(6628)\"\" \"About 
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18 / (4 + c) = 10 / (4 - c) \n" ); document.write( "
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