# SOLUTION: How many gallons of cream containing 25% butter fat and milk containing 3 1/2% butter fat must be mixed to obtain 50 gallons of cream containing 12 1/2% butter fat. And also how mu

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 Click here to see ALL problems on Linear-systems Question 429500: How many gallons of cream containing 25% butter fat and milk containing 3 1/2% butter fat must be mixed to obtain 50 gallons of cream containing 12 1/2% butter fat. And also how much cream and how much milk to the nearest hundredth of a gallon must b mixed together to obtain 50 gallons of cream that contains 12.5% butterfat? Answer by mananth(12270)   (Show Source): You can put this solution on YOUR website! percent ----------------quantity Cream A 25 ----------------x gallons Milk 3.5 ----------------50-x gallons Total 12.50% ----------------50 25x+3.5 (50-x)= 12.5*50 25x+175 -3.5x=625 25x-3.5 x=625-175 21.5x=450 /21.5 x=20.93 gallons 25.00% 29.07 gallons 3.50%