document.write( "Question 907752: how many liters of water should be added to a 30-liter solution that is 45% salt in order to dilute it to 20% salt? \n" ); document.write( "
Algebra.Com's Answer #550546 by ewatrrr(24785)\"\" \"About 
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water = water
\n" ); document.write( "x the amount of water to add
\n" ); document.write( ".55(30L) + x = .80(30L + x)
\n" ); document.write( " x = .25(80L)/.20
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