Question

Write a variable expression for "5 divided by \(r\)."

Short answer

The variable expression for '5 divided by r' is '5/r'.

Step-by-step solution

Understand Variables and Expressions

In mathematics, a variable is a symbol used to represent a quantity that may change. For instance, in the expression 'a + 3', 'a' is a variable because it can represent any number. An expression is a combination of numbers, variables and operations.

Representing Division in Mathematical Notation

Division can be indicated in mathematics in different ways, including the '/' symbol. For example, '5 divided by r' can be written as '5/r'.

Formulate the Variable Expression

Using these principles, '5 divided by r' can be expressed with the variable r simply as '5/r'.