document.write( "Question 418499: Find how many quarts of 4% butterfat milk and 1% butterfat milk should be mixed to yield 60 quarts of 2% butterfat milk. \n" ); document.write( "
Algebra.Com's Answer #292844 by mananth(16946)\"\" \"About 
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percent ----------------quantity
\n" ); document.write( "4 ----------------x
\n" ); document.write( "1 ----------------60-x
\n" ); document.write( "2.00% ----------------60 \r
\n" ); document.write( "\n" ); document.write( "...
\n" ); document.write( "4x+1(60 -x)=2*60
\n" ); document.write( "4x+60-x =120
\n" ); document.write( "4x-x=120-60
\n" ); document.write( "3x=60
\n" ); document.write( "/3
\n" ); document.write( "x=20 quarts 4%
\n" ); document.write( "40 quarts 1%
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