document.write( "Question 1155207: Six hundred liters of a solution was available, but the solution was 70% alcohol. Dan needed a solution of 40% alcohol. How many liters of alcohol had to be extracted so that the solution would be 40% alcohol? \n" ); document.write( "
Algebra.Com's Answer #777762 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Six hundred liters of a solution was available, but the solution was 70% alcohol. \n" ); document.write( " Dan needed a solution of 40% alcohol. \n" ); document.write( " How many liters of alcohol had to be extracted so that the solution would be 40% alcohol? \n" ); document.write( ": \n" ); document.write( "Let x = amt of alcohol to removed \n" ); document.write( ".7(600) - x = .4(600-x) \n" ); document.write( "420 - x = 240 - .4x \n" ); document.write( "420 - 240 = -.4x + x \n" ); document.write( "180 = .6x \n" ); document.write( "x = 180/.6 \n" ); document.write( "x = 300 liters of alcohol \n" ); document.write( " |