SOLUTION: How many gallons of cream that is 24% butterfat must be mixed with milk that is 2% butterfat to get 22 gallons of milk containing 4% butterfat?

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Question 795689: How many gallons of cream that is 24% butterfat must be mixed with milk that is 2% butterfat to get 22 gallons of milk containing 4% butterfat?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
{amount of butter fat}/{amount of mixture}={concentration of butterfat}
{cream1+cream2}={total cream mixture}

u = gallons of 24% butterfat
v = gallons of 2% butterfat

%2824u%2B2v%29%2F22=4 and u%2Bv=22