document.write( "Question 1178550: A pharmacist adds pure alcohol to a 25% alcohol solution to obtain 6 quarts of a 45% solution of alcohol. How much of the 25% solution and how much pure alcohol did she use? \n" ); document.write( "
Algebra.Com's Answer #807843 by mananth(16946)![]() ![]() You can put this solution on YOUR website! ---------------- percent ---------------- quantity \n" ); document.write( "Solution I 25% ---------------- x \n" ); document.write( "Solution II 100% ---------------- 6 - x \n" ); document.write( "Mixture 45.00% ---------------- 6\r \n" ); document.write( "\n" ); document.write( "0.25x+1( 6 - x ) = 6.00 * 0.45 \n" ); document.write( " \n" ); document.write( "0.25x+6 -x = 2.70 \n" ); document.write( "0.25x -1x = 2.7 - 6 \n" ); document.write( "-0.75 x = -3.3 \n" ); document.write( " \n" ); document.write( "/ -0.75 \n" ); document.write( " x =4.4quarts 25.00% Alcohol \n" ); document.write( " 1.6 quarts 100.00% pure alcohol \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |