document.write( "Question 920309: in testing the rate at which a polluted stream flows, a boat that travels at 5.5 mi/h in still water took 5.0 h to go downstream between two points, and it took 8.0 h to go upstream between the same two points. what is th rate of the flow of the stream? \n" ); document.write( "
Algebra.Com's Answer #558288 by josgarithmetic(39625)\"\" \"About 
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c, flow rate of the river\r
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\n" ); document.write( "\n" ); document.write( "RT=D basic rule for uniform rates of travel\r
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\n" ); document.write( "\n" ); document.write( "\"%285.5%2Bc%29%2A5=d\" and \"%285.5-c%29%2A8=d\".\r
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\n" ); document.write( "\n" ); document.write( "\"%285.5%2Bc%295=%285.5-c%298\"
\n" ); document.write( "\"27.5%2B5c=44-8c\"
\n" ); document.write( "\"13c=44-27.5\"
\n" ); document.write( "\"highlight%28c=1.27%29\"
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