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)![]() ![]() ![]() You can put this solution on YOUR website! .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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |