document.write( "Question 71575: How many liters of a 40% alcohol solution should be added to 40 liters of a 10% alcohol solution to obtain a 20% alcohol solution. \n" ); document.write( "
Algebra.Com's Answer #51188 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How many liters of a 40% alcohol solution should be added to 40 liters of a 10% alcohol solution to obtain a 20% alcohol solution. \n" ); document.write( "--------- \n" ); document.write( "40% solution DATA: \n" ); document.write( "Let amt of solution be \"x\" liters; Amt of alcohol is 0.40x liters \n" ); document.write( "--------- \n" ); document.write( "10% solution DATA: \n" ); document.write( "Amt is 40 liters; amt of alcohol is 0.10(40)= 4 liters \n" ); document.write( "---------- \n" ); document.write( "20% solution DATA: \n" ); document.write( "Amt is \"x+40\" liters; amt of alcohol is 0.20(x+40)= 0.20x+8 liters \n" ); document.write( "----------- \n" ); document.write( "EQUATION: \n" ); document.write( "alcohol + alcohol = alcohol \n" ); document.write( "0.40x+4 = 0.20x+8 \n" ); document.write( " 0.20x=4 \n" ); document.write( "x=20 liters (amt of 40% solution that must be added) \n" ); document.write( "------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |