document.write( "Question 430436: How many liters of water must be added to 50 L of a 30% acid solution in order to produce a 20% acid solution? \n" ); document.write( "
Algebra.Com's Answer #298942 by robertb(5830)\"\" \"About 
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0.00x + 0.30*50 = 0.20*(x+50)
\n" ); document.write( "<==> 15 = 0.20x + 10
\n" ); document.write( "<==> 5 = 0.20x
\n" ); document.write( "<==> x = 25 liters of water must be added.
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