Respuesta :

Given:

Product of two numbers is 1.

The one number is 5/2.

Let the another number be x.

[tex]\begin{gathered} x\times\frac{5}{2}=1 \\ x=1\times\frac{2}{5} \\ x=\frac{2}{5} \end{gathered}[/tex]

Answer: Option a) is correct. the other number is 2/5.