document.write( "Question 866617: How many liters of pure water must be added to 2 liters of a 30% antiseptic solution to obtain a 20% antiseptic solution
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Algebra.Com's Answer #522381 by mananth(16946)![]() ![]() You can put this solution on YOUR website! --- percent ---------------- Amount \n" ); document.write( "Solution 30 ---------------- 2 liters \n" ); document.write( "water 0 ---------------- x liters \n" ); document.write( "Mixture 20 ---------------- 2 + x liters \n" ); document.write( " \n" ); document.write( "30 * 2 + 0 x = 20 ( 2 + x \n" ); document.write( "60 + 0 x = 40 + 20 x \n" ); document.write( "0 x -20 x = -60 + 40 \n" ); document.write( "-20 x = -20 \n" ); document.write( "/ -20 \n" ); document.write( "x = 1 liter water \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |