document.write( "Question 472164: One Solution is 30% alcohol and another is 70% alcohol. Some of each solution is mixed to produce 8 liters of 40% solution. How many liters of the 70% solution should be used? \n" ); document.write( "
Algebra.Com's Answer #323764 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percentage---------------- quantity \n" ); document.write( " Alcohol I70 ---------------- x liters \n" ); document.write( " Alcohol II30 ---------------- 8 - x liters \n" ); document.write( " Mixture 40.00% ---------------- 8 \n" ); document.write( " \n" ); document.write( " 70x+30(8-x)=40*8 \n" ); document.write( " \n" ); document.write( " 70x+240- 30x=320 \n" ); document.write( " 70x-30x= 320-240 \n" ); document.write( " 40x=80 \n" ); document.write( " /40 \n" ); document.write( " x=2 liters 70.00% Alcohol I \n" ); document.write( " 6 liters 30.00% Alcohol II \n" ); document.write( " \n" ); document.write( " |