document.write( "Question 941399: how much water should be added to a 20L of a 20% salt solution to dilute it to 15% salt solution \n" ); document.write( "
Algebra.Com's Answer #573831 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! how much water should be added to a 20L of a 20% salt solution to dilute it to 15% salt solution \n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "water + water = water \n" ); document.write( "0.80*20 + 1*x = 0.85(20+x) \n" ); document.write( "---- \n" ); document.write( "80*20 + 100x = 85*20 + 85x \n" ); document.write( "15x = 5*20 \n" ); document.write( "x = 6 2/3 L (amt of water to add) \n" ); document.write( "-------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------- \n" ); document.write( " |