document.write( "Question 728211:  a boat travels 48 miles downstream and back. the trip downstream took 3 hours. the trip back took 8 hours. find the speed of the boat in still water and the speed of the current. 
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| Algebra.Com's Answer #445350 by Alan3354(69443)     You can put this solution on YOUR website! a boat travels 48 miles downstream and back. the trip downstream took 3 hours. the trip back took 8 hours. find the speed of the boat in still water and the speed of the current. \n" ); document.write( "----------- \n" ); document.write( "d = r*t \n" ); document.write( "r = d/t \n" ); document.write( "---- \n" ); document.write( "Find the 2 speeds, u/stream and d/stream. \n" ); document.write( "--- \n" ); document.write( "The boat's speed is the average of the 2 speeds. \n" ); document.write( "--- \n" ); document.write( "Can you figure out the current?\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |