document.write( "Question 208928: How many liters of a 40%-alcohol solution must be mixed with 10 liters of a solution that is 80% alcohol to get a solution that is 60% alcohol? \n" ); document.write( "
Algebra.Com's Answer #158426 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! Let x = additive volume in liters \n" ); document.write( ". \n" ); document.write( ".40*x + .80*10 = .60*(10+x) \n" ); document.write( ". \n" ); document.write( ".4x +8 = 6 + .6x \n" ); document.write( ". \n" ); document.write( "2=.2x \n" ); document.write( ". \n" ); document.write( "10=x \n" ); document.write( ". \n" ); document.write( "check \n" ); document.write( ".4*10 +.8*10 = .6 *(10+10)=12,,,,ok \n" ); document.write( ". \n" ); document.write( " |