document.write( "Question 962220: calculate the amount of 70%, 60 %,40% and 30% alcohol should be mixed to give 50% alcohol? \n" ); document.write( "
Algebra.Com's Answer #587872 by Alan3354(69443)\"\" \"About 
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calculate the amount of 70%, 60 %,40% and 30% alcohol should be mixed to give 50% alcohol?
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\n" ); document.write( "50 is the average --> equal amounts of 70 & 30, and equal amounts of 60 & 40.
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