document.write( "Question 625907: A 10% alcohol solution is to be combined with a 40% alcohol solution to make 20 liters of a 25% alcohol solution. How many liters of each are needed? \n" ); document.write( "
Algebra.Com's Answer #393882 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! A 10% alcohol solution is to be combined with a 40% alcohol solution to make 20 liters of a 25% alcohol solution. How many liters of each are needed? \n" ); document.write( "** \n" ); document.write( "let x=amt of 10% solution needed \n" ); document.write( "20-x=amt of 40% solution needed \n" ); document.write( ".. \n" ); document.write( "10%x+40%(20-x)=25%*20 \n" ); document.write( ".10x+8-.4x=5 \n" ); document.write( "-.30x=-3 \n" ); document.write( "x=3/.3=10 \n" ); document.write( "20-x=10 \n" ); document.write( "amt of 10% solution needed=10 liters \n" ); document.write( "amt of 40% solution needed=10 liters \n" ); document.write( " |