What is 20 of 80?

"20 of 80" refers to the number 20 out of a total of 80 items. This could refer to a percentage, fraction, or any other numerical representation. In terms of percentages, 20 out of 80 would be equal to 25%. In terms of fractions, it would be equal to 1/4. In terms of a ratio, it would be 1:4. It is important to provide context or clarify how "20 of 80" is being used in order to give a more specific explanation.