document.write( "Question 548890: linc travels downstream at a distance of 21 mph. returning he finds that the trip upstream takes 1 2/5 hours. what is the speed of the currentand the boat in still water \n" ); document.write( "
Algebra.Com's Answer #357339 by Alan3354(69443)\"\" \"About 
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linc travels downstream at a distance of 21 mph.
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\n" ); document.write( "Is 21 a distance or a speed?
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