document.write( "Question 861667: A chemist has 20% and 60% solutions of acids available. How many liters of each solution should be mixed to obtain 20 liters of a 40% solution? \n" ); document.write( "
Algebra.Com's Answer #519159 by Alan3354(69443)\"\" \"About 
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40 is the average of 20 & 60 --> equal amounts \n" ); document.write( "
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