document.write( "Question 423025: There are 90 ml of pure alcohol in a bottle of 750 ml of water and alcohol mixture .Find the amount of pure alcohol that must be added to obtain a new mixture that is 33% alcohol. \n" ); document.write( "
Algebra.Com's Answer #318667 by jorel1380(3719)\"\" \"About 
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90/750=12%
\n" ); document.write( "750(.12)+n(1.00)=.33(750+n)
\n" ); document.write( "90+n=247.5+.33n
\n" ); document.write( ".66n=157.5
\n" ); document.write( "n=157.5/.66=238.6363
\n" ); document.write( "You need 238.6363 ml of pure alcohol for your mix..
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