Respuesta :

Hello

To solve this question, we just have to find 40% of 90

[tex]\begin{gathered} \frac{40}{100}=\frac{x}{90} \\ 0.4=\frac{x}{90} \\ x=90\times0.4 \\ x=36 \end{gathered}[/tex]

From the calculations above, the castle has 36 girls present