document.write( "Question 1155684: Find how many quarts of 6% butterfat milk and 3% butterfat milk should be mixed to yield 45 quarts of 4% butterfat milk. \n" ); document.write( "

Algebra.Com's Answer #778307 by Boreal(15235) $\"\"$ $\"About$

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x is amount of 6%
\n" ); document.write( "45-x is amount of 3%
\n" ); document.write( ".06x+.03(45-x)=45*0.04=1.80 qts \"pure)
\n" ); document.write( ".06x+1.35-0.03x=1.8
\n" ); document.write( "0.03x=0.45
\n" ); document.write( "x=15 qts of 6% (0.9 pure)
\n" ); document.write( "45-x=30 qts 3% (0.9 pure)\r
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