document.write( "Question 1199891: How many liters of water should be evaporated from 160 liters of a 12% saline solution so that the solution that remains is a 20% saline solution?
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Algebra.Com's Answer #833868 by josgarithmetic(39617)\"\" \"About 
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Concentrations if assumed as weight per volume\r
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\n" ); document.write( "\n" ); document.write( "Removing some quantity v from the solution,\r
\n" ); document.write( "\n" ); document.write( "\"%28160%2A0.12%29%2F%28160-v%29=0.20\"\r
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\n" ); document.write( "\n" ); document.write( "\"0.2%28160-v%29=160%2A0.12\"\r
\n" ); document.write( "\n" ); document.write( "\"%280.2%29%28160%29-0.2v=160%2A%280.12%29\"\r
\n" ); document.write( "\n" ); document.write( "\"-0.2v=160%2A0.12-0.2%2A160\"\r
\n" ); document.write( "\n" ); document.write( "\"v=%280.2%2A160-0.12%2A160%29%2F0.2\"--------compute this.
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