# SOLUTION: This is a weighted average word problem, that i really need the answer to: whipping cream contains 9% butter fat. 2% milk contains 2% butterfat. How much whipping cream and 2% mi

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 Click here to see ALL problems on Miscellaneous Word Problems Question 281130: This is a weighted average word problem, that i really need the answer to: whipping cream contains 9% butter fat. 2% milk contains 2% butterfat. How much whipping cream and 2% milk should be mixed to obtain 35 gallons of milk with 4% butterfat?Answer by Fombitz(13828)   (Show Source): You can put this solution on YOUR website!Let the amount of whipping cream be W and let the amount of 2% milk be T. 1. - Volume equation 2. - Concentration equation Use eq. 1 to solve for W in terms of T. Now substitute into eq. 2 and solve for T. Then from eq. 1, 10 gallons of whipping cream and 25 gallons of 2% milk.