Respuesta :

Let the number be N
reciprocal of N = 1/N

[tex]\large\begin{array}{I} \mathtt{ 6 \times \dfrac{1}{N} } = 3 \times \dfrac{1}{8} } \end{array}[/tex]

[tex]\large\begin{array}{I} \mathtt{ N=6 \times \dfrac{8}{3} } = 16} \end{array}[/tex]