document.write( "Question 188486: How many liters of a 20% alcohol solution and how many liters of a 50% alcohol solution must be mixed to produce 9 liters of a 30% alcohol solution? \n" ); document.write( "
Algebra.Com's Answer #141299 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How many liters of a 20% alcohol solution and how many liters of a 50% alcohol solution must be mixed to produce 9 liters of a 30% alcohol solution? \n" ); document.write( "----------------------------------------------- \n" ); document.write( "Equation: \n" ); document.write( "alcohol + alcohol = alcohol \n" ); document.write( "0.20x + 0.50(9-x) = 0.30*9 \n" ); document.write( "-------- \n" ); document.write( "20x + 50*9 - 50x = 30*9 \n" ); document.write( "-30x = -20*9 \n" ); document.write( "x = 6 (amt. of 20% solution in the mix) \n" ); document.write( "9-x = 3 (amt of 50% solution in the mix) \n" ); document.write( "============================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |