document.write( "Question 654384: how many gallons of 40% cream must be added to 10 gallons of 4.5% milk to make it into a mixture containing 18% fat? \n" ); document.write( "

Algebra.Com's Answer #408748 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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how many gallons of 40% cream must be added to 10 gallons of 4.5% milk to
\n" ); document.write( " make it into a mixture containing 18% fat?
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\n" ); document.write( "Let x = amt of 40% cream required
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\n" ); document.write( "An amt of fat equation
\n" ); document.write( ".40x + .045(10) = .18(x+10)
\n" ); document.write( ".40x + .45 = .18x + 1.8
\n" ); document.write( ".40x - .18x = 1.8 - .45
\n" ); document.write( ".22x = 1.35
\n" ); document.write( "x = 1.35/.22
\n" ); document.write( "x ~ 6.136 gallons of cream \n" ); document.write( "

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