document.write( "Question 231414: A chemical storeroom has an 80% alcohol solution and a 30% alcohol solution. How many milliliters of each should be used to obtain 50 milliliters of a 60% solution. \n" ); document.write( "
Algebra.Com's Answer #171276 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! Let x = amount of 80% solution \n" ); document.write( "50-x= amount of 30% solution \n" ); document.write( "50 = number of milliliters of 60%\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ".80x+.30(50-x)=.60*50 \n" ); document.write( ".80x+15-.30x=30 \n" ); document.write( ".50x+15=30 \n" ); document.write( ".50x=15 \n" ); document.write( "x=15/.50=30 milliliters of 80% \n" ); document.write( "50-x=20 milliliters of 30%\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje \n" ); document.write( " |