document.write( "Question 755890: How many litters of a 70% acid solution must be added to 14 liters of a 20% acid solution to produce a 35% acid solution
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Algebra.Com's Answer #459888 by josgarithmetic(39617)\"\" \"About 
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Let v = volume liters of the 70% acid to use.\r
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\n" ); document.write( "\n" ); document.write( "Resulting volume of solution is v+14 liters.\r
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\n" ); document.write( "\n" ); document.write( "\"%2870v%2B20%2A14%29%2F%28v%2B14%29=35\"
\n" ); document.write( "Solve for v.\r
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\n" ); document.write( "\n" ); document.write( "\"70v%2B20%2A14=35v%2B35%2A14\"
\n" ); document.write( "\"%2870-35%29v=35%2A14-20%2A14=%2835-20%29%2A14\"
\n" ); document.write( "You finish!
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