document.write( "Question 838563: How many gallons of cream that is 23% butterfat and must be mixed with 28.5 gallons of milk that is 3% butterfat to make milk that is 4% butterfat? \n" ); document.write( "
Algebra.Com's Answer #513226 by richwmiller(17219)\"\" \"About 
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.23a+.03*28.5=.04(28.5+a)
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