document.write( "Question 441627: How much water must be added to a 3oo litre solution to vary its concentration from 25% to 20%?
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Algebra.Com's Answer #306189 by jorel1380(3719)\"\" \"About 
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300x.25=75
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\n" ); document.write( "You must add 75 liters of water to thin the concentration from 25% to 20%..
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