document.write( "Question 1038493: A man can row three-quarters of a kilometer against the stream in 45/4 minutes. The speed (in km/hr) of the man in still water ? \n" ); document.write( "
Algebra.Com's Answer #653219 by Alan3354(69443)\"\" \"About 
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A man can row three-quarters of a kilometer against the stream in 45/4 minutes. The speed (in km/hr) of the man in still water ?
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\n" ); document.write( "r = rowing speed (in still water)
\n" ); document.write( "c = current
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\n" ); document.write( "r - c = d/t = (3/4)km/(45/4)/60))hr
\n" ); document.write( "r - c = (3/4)/(45/240) km/hr
\n" ); document.write( "r - c = 720/135 km/hr
\n" ); document.write( "r - c = 16/3 km/hr
\n" ); document.write( "r = c + 16/3 km/hr
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\n" ); document.write( "He can row 16/3 km/hr plus whatever c for the current is.
\n" ); document.write( "The current wasn't spec'ed.
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