document.write( "Question 867467: A solution of 27 gallons of acid contains 9 gallons of pure acid.How much water in gallons,should be added to produce a 25 percent solution of this acid? \n" ); document.write( "
Algebra.Com's Answer #523287 by josgarithmetic(39628)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Known final concentration, one material quantity known but other unknown.
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