Answer:
[tex]2,100\:\:\text{students}[/tex]
Step-by-step explanation:
Let [tex]x[/tex] represent the number of students in the school. We have the following equation:
[tex]0.45x=945[/tex].
Solving, we get:
[tex]x=\frac{945}{0.45},\\x=\boxed{2100}[/tex].
