document.write( "Question 411881: How many liters of 25 percent salt solution must be added to 20 liters of a 12 percennt solution to make a solution that is 20 percent salt? \n" ); document.write( "
Algebra.Com's Answer #289414 by mananth(16946)\"\" \"About 
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solution 12----------------20
\n" ); document.write( "solution 25----------------x
\n" ); document.write( "Total 20 ----------------20+x\r
\n" ); document.write( "\n" ); document.write( "12*20+25*x=20(20+x)
\n" ); document.write( "240+25x =400+20x
\n" ); document.write( "25x-20x =400-240
\n" ); document.write( "5x=160
\n" ); document.write( "/5
\n" ); document.write( "x=32 liters of 25% \r
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