A dairy produced 4.2 liters of milk in 3 hours. How much milk, on average, did the dairy produce per hour?

Dairy produces 1.4 liters milk per hour on an average.

Step-by-step explanation:

Do you know that: Milk is sometimes called nature's most nearly perfect food. The best sources of calcium are milk, yogurt, and cheese. About 72% of the calcium in the U.S. food supply comes from dairy foods. These foods also provide protein and several other important nutrients.

The average of a set of numbers is simply the sum of the numbers divided by the total number of values in the set. Here , in this question average is the ratio of milk produced to time required .  

Here we have , a dairy produced 4.2 liters of milk in 3 hours. Diary produces 4.2 liters of milk in every 3 hours , Let's find out how much liter will it take for 1 hour :

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Therefore, Dairy produces 1.4 liters milk per hour on an average.