document.write( "Question 503347: Suppose that a pharmacist has a supply of a 30% solution of alcohol and a 70% solution of alcohol. How many quarts of each should be mixed to produce 60 quarts that is 50% alcohol?\r
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Algebra.Com's Answer #339194 by mananth(16946)![]() ![]() You can put this solution on YOUR website! ---------percent ---------percent ---------------- quantity \n" ); document.write( "Alcohol I 30 ---------------- x quarts \n" ); document.write( "Alcohol II 70 ---------------- 60 - x quarts \n" ); document.write( "Mixture 50.00% ---------------- 60 \n" ); document.write( " \n" ); document.write( "30 x + 70 ( 60 - x ) = 50 * 60 \n" ); document.write( " \n" ); document.write( "30x+4200-70x=3000 \n" ); document.write( "30x-70x =3000 -4200 \n" ); document.write( "-40 x = -1200 \n" ); document.write( "/ -40 \n" ); document.write( " x = 30 quarts 30.00% Alcohol I \n" ); document.write( " 30 quarts 70.00% Alcohol II \n" ); document.write( " \n" ); document.write( " |