document.write( "Question 324804: A barge takes 3 hours to move (at a constant speed) downstream for 27 miles, helped by a current of 3 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current. \n" ); document.write( "
Algebra.Com's Answer #232644 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Rate*Time=Distance \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "Let B be the barge speed in still water. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "On the return trip, the current works against you. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "It takes 9 hours to make the return trip. \n" ); document.write( " |