document.write( "Question 201532: How many milligrams of pure water must be added to 6 mg of a 40% solution to obtain a 25% solution? \n" ); document.write( "
Algebra.Com's Answer #151747 by nerdybill(7384)\"\" \"About 
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How many milligrams of pure water must be added to 6 mg of a 40% solution to obtain a 25% solution?
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\n" ); document.write( "Let x = milligrams of water added
\n" ); document.write( "then
\n" ); document.write( ".40(6) = .25(6+x)
\n" ); document.write( "2.4 = 1.5 + .25x
\n" ); document.write( "0.9 = .25x
\n" ); document.write( "3.6 mg = x (amount of pure water)
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