Question

Why doesn’t stacking up the prices of milk in each country allow you to rank them from highest to lowest accurately?

Answer 1

Different currencies milk is not the same price in different countries

Answer 2

The answer:

Different currencies, alone cause a problem because milk is not worth the same in every country.

This should be the data:

1ML

100L

5 million nL

1GL

50 mL

1cL

1mL