One-thirteenth the age written as a algebraic expression

I/13 x (where x is the age)

Step-by-step explanation:

Let the age in consideration is 'x' in variable

It is mentioned in the question as 1/13 the age

so, 1/13th the age be 1/13*x

hence the algebraic expression to be written as x/13 or 1/13*x

Here 1/13 is multiplied with x, the age in variable.