SOLUTION: a 50-gallon barrel of milk is 6 % butterfat. how much skim milk( no butter fat) should be mixed tot make milk that is 3% butterfat?

Question 741178: a 50-gallon barrel of milk is 6 % butterfat. how much skim milk( no butter fat) should be mixed tot make milk that is 3% butterfat?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
50 gallons, just by one quick read.

But if you want some algebraic work, then, this is a dilution exercise.
Let g = gallons of skim milk to add.
Note, percent of fat in the skim milk is 0%.

Simplifies to:

Solve for g.

Was I correct?

Notice from first-read, the dilution simply cuts the fat concentration exactly in half.
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