document.write( "Question 97182: A tank can be filled by one pipe in 30 minutes & emptied by another in 50 minutes. If both pipes are open, how long will it take to fill the tank? \n" ); document.write( "
Algebra.Com's Answer #70809 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A tank can be filled by one pipe in 30 minutes & emptied by another in 50 minutes. If both pipes are open, how long will it take to fill the tank? \n" ); document.write( ": \n" ); document.write( "Let x = time (in minutes) required, when both pipes are open, and they fill the tank \n" ); document.write( ": \n" ); document.write( "Let the full tank = 1 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Multiply equation by 150 to get rid of the denominators, resulting in: \n" ); document.write( "5x - 3x = 150 \n" ); document.write( "2x = 150 \n" ); document.write( "x = 150/2 \n" ); document.write( "x = 75 minutes required to fill the tank \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ":\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |