document.write( "Question 345292: a chemist has two solutions of HCL. One has a 40% concentration and the other one has a 25% concentration. How many liters of each solution must be mixed to obtain 136 Liters of a 33% solution? \n" ); document.write( "
Algebra.Com's Answer #246936 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Let A be the amount of 40% solution and B the amount of 25% solution.
\n" ); document.write( "Volume equation:
\n" ); document.write( "1.\"A%2BB=136\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "Concentration equation:
\n" ); document.write( "\"40A%2B25B=33%28136%29\"
\n" ); document.write( "2.\"40A%2B25B=4488\"
\n" ); document.write( "Multiply eq. 1 by (-40) and add to eq. 2,
\n" ); document.write( "\"-40A-40B%2B40A%2B25B=-5440%2B4488%7D%7D%0D%0A%7B%7B%7B-15B=-952\"
\n" ); document.write( "\"highlight%28B=952%2F15%29\"liters
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "Then using eq. 1,
\n" ); document.write( "\"A%2B952%2F15=136\"
\n" ); document.write( "\"A=2040%2F15-952%2F15\"
\n" ); document.write( "\"highlight%28A=1088%2F15%29\" liters
\n" ); document.write( "
\n" ); document.write( "
\n" );