document.write( "Question 1190121: A boat on a river travels downstream between two points, 80 mi apart, in 1 h. The return trip against the current takes 2.5 hours.
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document.write( " What is the boat's speed (in still water)? \n" );
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Algebra.Com's Answer #821686 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A boat on a river travels downstream between two points, 80 mi apart, in 1 h. The return trip against the current takes 2.5 hours. \n" ); document.write( " What is the boat's speed (in still water)? \n" ); document.write( "----------------- \n" ); document.write( "Find the 2 speeds, downstream and upstream. \n" ); document.write( "The boat's speed is the average of the 2. \n" ); document.write( " |