SOLUTION: Wayne has milk that is 5% butterfat and skim milk without butterfat. How much 5% milk and how much skim milk should he mix to make 200 gallons of milk that is 3.5% butterfat?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Wayne has milk that is 5% butterfat and skim milk without butterfat. How much 5% milk and how much skim milk should he mix to make 200 gallons of milk that is 3.5% butterfat?      Log On


   



Question 390895: Wayne has milk that is 5% butterfat and skim milk without butterfat. How much 5% milk and how much skim milk should he mix to make 200 gallons of milk that is 3.5% butterfat?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
0.05x + 0.00*(200 - x) = 0.035*200 ===> 0.05x = 7 ===> x = 140 gallons of the 5% milk, and 60 gallons of the skim milk.