document.write( "Question 870246: A 90 gallon of 4% fat is mixed with non-fat (0%) milk to make 1% milk. How much non-fat milk is needed \n" ); document.write( "
Algebra.Com's Answer #524747 by josgarithmetic(39618)\"\" \"About 
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This is the lesson for that type of question: Mixture: one material quantity unknown \n" ); document.write( "
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