document.write( "Question 644804: how many liters of a 15% solution of alcohol should be added to a 30 liters of a 50% solution to produce a 40% solution \n" ); document.write( "
Algebra.Com's Answer #405280 by richwmiller(17219)\"\" \"About 
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.15x+.3*50=.4*(30+x)
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