document.write( "Question 231944: How many liters of a 70% alchole slolution must be added to 50% liters of a 40% alcohole solution to produce a 50% alcohol solution? \n" ); document.write( "
Algebra.Com's Answer #171512 by Alan3354(69443)\"\" \"About 
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How many liters of a 70% alchole slolution must be added to 50% liters of a 40% alcohole solution to produce a 50% alcohol solution?
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\n" ); document.write( "I assume it's 50 liters of 40% to start.
\n" ); document.write( "That 50 liters has 60% water, = 30 liters of water (50*0.6).
\n" ); document.write( "Add alcohol to make that 30 liters of water 50% of the solution.
\n" ); document.write( "That will be a total of 60 liters of solution, 30 liters of water + 30 of alcohol.
\n" ); document.write( "Add 10 liters of alcohol.
\n" ); document.write( "--> 10 liters.
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