document.write( "Question 355138: How many gallons of milk containing 4% fat is mixed with milk containing 1% fat to obtain a 15 gallon mixture containing 2% fat? \n" ); document.write( "
Algebra.Com's Answer #253673 by mananth(16946)\"\" \"About 
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milk containing 4% fat : let this quantity be x gallons
\n" ); document.write( "milk containing 1% fat: this will be 15-x gallons
\n" ); document.write( "Mixture 15 gallon containing 2% fat?
\n" ); document.write( "...
\n" ); document.write( "0.04x+0.01(15-x)=15*0.02
\n" ); document.write( "0.04x+0.15-0.01x=0.3
\n" ); document.write( "0.03x=0.3-0.25
\n" ); document.write( "0.03x=0.15
\n" ); document.write( "x= 0.15/0.03
\n" ); document.write( "x= 5 gallons of 4% fat
\n" ); document.write( "m.ananth@hotmail.ca
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