15/75 = 20%
A value like 15/75, or 20%, can show up in everyday situations, such as getting 20% off a price or answering 15 questions correctly out of 75. It can also describe a small part of a group, like 15 people in a crowd of 75.
To picture 20%, imagine one-fifth of a whole or about one out of every five items. That makes it easier to estimate without counting every item.
A common point of confusion is mixing up 20% with 20 percentage points. For example, an increase from 10% to 20% is a rise of 10 percentage points, even though the rate itself has doubled.
