document.write( "Question 445811: In chemistry class, 10 liters of a 15% alcohol solution must be mixed with a 75% alcohol solution to get a 50% alcohol solution. How many liters of the 75% alcohol solution should be added ?
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Algebra.Com's Answer #307022 by jorel1380(3719)\"\" \"About 
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.15(10)+.75X=.50(10+X)
\n" ); document.write( "1.5+.75X=5+.5X
\n" ); document.write( ".25X=3.5
\n" ); document.write( "X=3.5/.25=14
\n" ); document.write( "You need to add 14 liters of the 75% solution..
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