document.write( "Question 857057: How much of a 50% salt solution should be added to 80L of a 5% salt solution to obtain a 30% salt solution? \n" ); document.write( "
Algebra.Com's Answer #516350 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How much of a 50% salt solution should be added to 80L of a 5% salt solution to obtain a 30% salt solution? \n" ); document.write( "---------- \n" ); document.write( "Equation: \n" ); document.write( "salt + salt = salt \n" ); document.write( "0.50x + 0.05*80 = 0.30(x+80) \n" ); document.write( "------- \n" ); document.write( "50x + 5*80 = 30x + 30*80 \n" ); document.write( "20x = 25*80 \n" ); document.write( "x = 100 L (amt. of 50% solution needed) \n" ); document.write( "------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------------- \n" ); document.write( " |