In order to translatea sentence into a mathematical sentence we first need to identify our variable.

In this case, we are going to let "the number" be x.

Since the number is less than five, this indicates an inequality versus an equation.

Therefore, to translate a number less than `5` , we will let the number be `x` . Less than translates to `lt` .

**This yields the solution: `x lt 5` .**

You need to translate the given verbal sentence into an inequality, using the following symbols, such that:

an amount x less than other amount y: `x < y`

an amount x less than or equal to other amount y: `x <= y`

an amount x greater than other amount y: `x > y`

an amount x greater than or equal to other amount y: `x >= y`

The problem provides the information that the unknown number x needs to be less than 5, hence, using the appropriate symbol, yields:

`x < 5`

**Hence, translating the given verbal sentence into an inequality,
using the variable x for the unknown number, yields `x < 5.`**

``

`x < 5`

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