document.write( "Question 993052: pipe A can fill the tank alone in 5 hrs amd pipe B can fill the tank in 4 hours.A drain pipe (pipe c) can empty the tank in 20hrs/ with all three pipes open, how long it will take to fill the tank? \n" ); document.write( "
Algebra.Com's Answer #612478 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! pipe A can fill the tank alone in 5 hrs amd pipe B can fill the tank in 4 hours.A drain pipe (pipe c) can empty the tank in 20hrs/ with all three pipes open, how long it will take to fill the tank? \n" ); document.write( "--------- \n" ); document.write( "Each hour: \n" ); document.write( "Pipe A adds 1/5 of a tank \n" ); document.write( "Pipe B adds 1/4 of a tank \n" ); document.write( "Pipe C subtracts 1/20 of a tank \n" ); document.write( "------------ \n" ); document.write( "Can you finish it? \n" ); document.write( " |