document.write( "Question 480651: How may ounces of a 30% alcohol solution must be mixed with 9 ounces of a 35% alcohol solution to make a 31% alcohol solution? \n" ); document.write( "
Algebra.Com's Answer #329146 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How may ounces of a 30% alcohol solution must be mixed with 9 ounces of a 35% alcohol solution to make a 31% alcohol solution? \n" ); document.write( "------ \n" ); document.write( "alcohol + alcohol = alcohol \n" ); document.write( "0.30x + 0.35*9 = 0.31(x+9) \n" ); document.write( "---- \n" ); document.write( "Multiply thru by 100 to get: \n" ); document.write( "30x + 35*9 = 31x + 31*9 \n" ); document.write( "-x = -4*9 \n" ); document.write( "x = 36 ounces (amt. of 30% solution needed) \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |