document.write( "Question 812631: How many liters of pure acid should be added to 4 liters of a 10% acid solution to make a solution that is 80% acid? \n" ); document.write( "
Algebra.Com's Answer #489341 by richwmiller(17219)\"\" \"About 
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.1*4+x=.8(10+x)
\n" ); document.write( "x = 38 liters of pure acid
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