Answer :
We have to fill the blank:
[tex]\begin{gathered} \frac{5}{9}=\frac{x}{54} \\ x=\frac{5}{9}\cdot54 \\ x=5\cdot\frac{54}{9} \\ x=5\cdot6 \\ x=30 \end{gathered}[/tex]Answer: fill the blank with 30
We have to fill the blank:
[tex]\begin{gathered} \frac{5}{9}=\frac{x}{54} \\ x=\frac{5}{9}\cdot54 \\ x=5\cdot\frac{54}{9} \\ x=5\cdot6 \\ x=30 \end{gathered}[/tex]Answer: fill the blank with 30