document.write( "Question 909356: A pharmacist has two solutions of alcohol, a 15% solution and a 28% solution. How many milliliters of each solution should be mixed to gather to make a 100ml solution which is 20% alcohol \n" ); document.write( "
Algebra.Com's Answer #551828 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Alcohol \n" ); document.write( " percent ---------------- quantity \n" ); document.write( "alcohol I 15.00% ---------------- x ml \n" ); document.write( "Alcohol 2 28.00% ------ 100 - x ml \n" ); document.write( "Mixture 20.00% ---------------- 100 \n" ); document.write( "Total 100 ml \n" ); document.write( "15.00% x + 28.00% ( 100 - x ) = 20.00% * 100 \n" ); document.write( "15 x + 28 ( 100 - x ) = 2000 \n" ); document.write( "15 x + 2800 - 28 x = 2000 \n" ); document.write( "15 x - 28 x = 2000 - -2800 \n" ); document.write( "-13 x = -800 \n" ); document.write( "/ -13 \n" ); document.write( " x = 61.54 ml 15.00% alcohol I \n" ); document.write( " 38.46 ml 28.00% Alcohol 2 \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |