document.write( "Question 807371: FIND HOW MANY QUARTS OF 6% BUTTERFAT MILK AND 2% BUTTERFAT MILK SHOULD BE MIXED TOGETHER TO YIELD 80 QUARTS OF 4% BUTTERFAT MILK? \n" ); document.write( "
Algebra.Com's Answer #486284 by richwmiller(17219)\"\" \"About 
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x+y=80,
\n" ); document.write( ".06x+.02y=.04*80
\n" ); document.write( "x=40., y=40.
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