document.write( "Question 129247: A cough medicine contains 25% alcohol. How much liquid should a pharmacist add to 120 milliliters of the cough medicine so that it contains only 20% alcohol? \n" ); document.write( "
Algebra.Com's Answer #94451 by checkley71(8403)\"\" \"About 
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.2(120+x)=120*.25
\n" ); document.write( "24+.2x=30
\n" ); document.write( ".2x=30-24
\n" ); document.write( ".2=6
\n" ); document.write( "x=6/.2
\n" ); document.write( "x=30 ml of liquid needs to be added.
\n" ); document.write( ".2(120+30)=120*.25
\n" ); document.write( ".2*150=30
\n" ); document.write( "30=30 \r
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