document.write( "Question 818746: how much water should be added to 60 litres of milk containing 20% cream in order to get milk containing 15% cream
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Algebra.Com's Answer #492754 by mananth(16946)![]() ![]() You can put this solution on YOUR website! --- percent ---------------- Amount \n" ); document.write( "milk 20 ---------------- 60 liters \n" ); document.write( "water 0 ---------------- x liters \n" ); document.write( "Mixture 15 ---------------- 60 + x liters \n" ); document.write( " \n" ); document.write( "20 * 60 + 0 x = 15 ( 60 + x ) \n" ); document.write( "1200 + 0 x = 900 + 15 x \n" ); document.write( "0 x -15 x = -1200 + 900 \n" ); document.write( "-15 x = -300 \n" ); document.write( "/ -15 \n" ); document.write( "x = 20 liters water \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |