### Division

Division is a mathematical operation that involves finding the number of times one quantity is contained within another. It is represented by the symbol "/" …

Percentages are a way of expressing a number as a fraction of $100$. They are often used to represent parts of a whole or to express changes and comparisons. For example, a grade of $80\%$ on a test means the student got $80$ out of $100$ possible points. To convert a percentage to a decimal, divide the percentage by $100$. To convert a decimal to a percentage, multiply the decimal by $100$ and add the $\%$ symbol. The concept of percentages is widely used in various fields, such as finance, economics, and statistics, to represent and analyze data.