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)\"\" \"About 
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--- percent ---------------- Amount
\n" ); document.write( "milk 20 ---------------- 60 liters
\n" ); document.write( "water 0 ---------------- x liters
\n" ); document.write( "Mixture 15 ---------------- 60 + x liters
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\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
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\n" ); document.write( "m.ananth@hotmail.ca
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