document.write( "Question 567763: a tank contains 60 gallons of 50% solution of glycerine and water. what volume of water must be added to the solution to reduce the glycerine concentration to 12%? \n" ); document.write( "
Algebra.Com's Answer #366685 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a tank contains 60 gallons of 50% solution of glycerine and water. what volume of water must be added to the solution to reduce the glycerine concentration to 12%? \n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "glyc + glyc = glyc \n" ); document.write( "0.50*60 + 0*x = 0.12(60+x) \n" ); document.write( "-------- \n" ); document.write( "multiply thru by 100 to get: \n" ); document.write( "50*60 = 12*60 + 12x \n" ); document.write( "12x = 38*60 \n" ); document.write( "x = 38*5 \n" ); document.write( "x = 190 gallons (amt. of water to add) \n" ); document.write( "============================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=================================== \n" ); document.write( " |