document.write( "Question 25657: We tried using a sample on the site, but we keep getting a negative answer! Help!
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document.write( "How many kilograms of pure salt must be added to 20 kilograms of a 10% salt solution to obtain a 25% salt solution? \n" );
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Algebra.Com's Answer #13762 by Paul(988)![]() ![]() ![]() You can put this solution on YOUR website! 20(10)=25(20-x) \n" ); document.write( "200=500-25x \n" ); document.write( "-25x=-300 \n" ); document.write( "x=12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, about 12 kilograms of solution must be added. \n" ); document.write( "Paul. \n" ); document.write( " |