document.write( "Question 355244: how many liters of 25% alcohol solution and 15% alcohol solution must be mixed to obtain 40 liters of a 20% alcohol solution? \n" ); document.write( "
Algebra.Com's Answer #253783 by Alan3354(69443)\"\" \"About 
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20% is the average of 15% and 25%, so it's equal amounts.
\n" ); document.write( "--> 20 liters of each
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