document.write( "Question 954374: how many liters of pure sale must be added to 15 liters of a 40% salt solution to obtain a 60% salt solution? \n" ); document.write( "
Algebra.Com's Answer #583014 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! how many liters of pure salt must be added to 15 liters of a 40% salt solution to obtain a 60% salt solution? \n" ); document.write( ": \n" ); document.write( "let s = amt of pure salt required \n" ); document.write( "the resulting amt will be (s+15) \n" ); document.write( ": \n" ); document.write( ".4(15) + s = .60(s + 15) \n" ); document.write( "6 + s = .6s + 9 \n" ); document.write( "s - .6s = 9 - 6 \n" ); document.write( ".4s = 3 \n" ); document.write( "s = 3/.4 \n" ); document.write( "s = 7.5 liters of salt \n" ); document.write( " |