document.write( "Question 443233: How many liters of a 10% alcohol solution must be mixed with 30 liters of a 50% solutionn to get a 40% solution? \n" ); document.write( "
Algebra.Com's Answer #305757 by jorel1380(3719)\"\" \"About 
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.10x+30(.5)=.4(30+x)
\n" ); document.write( ".10x+15=12+.4x
\n" ); document.write( "3=.3x
\n" ); document.write( "3/.3=x
\n" ); document.write( "x=10
\n" ); document.write( "You must mix in 10 liters of a 10% solution to get the desired concentration..
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