document.write( "Question 42572: How many liters of water must be added to 5 liters of a 30% acid solution to obtain a 20% acid solution? \n" ); document.write( "
Algebra.Com's Answer #27672 by checkley71(8403)\"\" \"About 
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5*.3=.2(5+x) or 1.5=1+.2x or .5=.2x or x=5/.2 or x=2.5 liters of water are added to 5 liters which gives us 7.5 liters of solution witl 1.5 liters of acid which calculates to 1.5/7.5=.20 or 20% \n" ); document.write( "
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