document.write( "Question 1101602: How many ml of a 20% solution should be added to 50 ml of a 40% solution to obtain a 25% solution?
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Algebra.Com's Answer #716194 by Boreal(15235)\"\" \"About 
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x ml
\n" ); document.write( "0.20x+0.40(50)=0.25(50+x) The percentage*volume of each added together equals the total volume*total percentage
\n" ); document.write( "0.20x+20=12.5+0.25x
\n" ); document.write( "7.5=0.05x
\n" ); document.write( "x=150 ml of 20%
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