document.write( "Question 468331: how many liters of water must be evaporated from 200 liters of a 4% salt solution so that the remaining solution will be 6.4% salt? \n" ); document.write( "
Algebra.Com's Answer #321356 by Alan3354(69443)\"\" \"About 
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how many liters of water must be evaporated from 200 liters of a 4% salt solution so that the remaining solution will be 6.4% salt?
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\n" ); document.write( "4% of 200 liters = 8 liters of salt.
\n" ); document.write( "For 8 liters to be 6.4%, the total solution is 8/0.064 = 125 liters
\n" ); document.write( "200 - 125 = 75 liters of water to evaporate.\r
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