SOLUTION: A 4-liter mixture of milk and coffee is 20% milk. A liter of pure coffee is added to this mixture. What percent if the new mixture is milk?

Question 439563: A 4-liter mixture of milk and coffee is 20% milk. A liter of pure coffee is added to this mixture. What percent if the new mixture is milk?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = % of milk in final mixture
In words:
(total liters of milk) / (total liters of mixture) = % milk
given:
Liters of milk =
----------

There is 16% milk in the new mixture
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