The total number of teachers is 87.
45 are male, then the female teachers are:
[tex]87-45=42[/tex]The ratio of male to female teachers is:
[tex]\begin{gathered} 45\colon42 \\ To\text{ express it in its simplest form divide both sides by 3:} \\ \frac{45}{3}\colon\frac{42}{3} \\ 15\colon14 \end{gathered}[/tex]Answer: The ratio of male to female teachers in its simplest form is 15:14
