A local council is concerned that there are too many students for staff to look after in schools. There are 18 staff and 225 students in school A. a Write the staff : student ratio in the form 1 : n.

you have to find a number they are both divisible by to get it to simplest form. 18:225.

divide both by 3. 6:75.

you can divide it by 3 again.

2:25

2:25 is the simplest form

Step-by-step explanation:

First you would divide both numbers 18 and 225 by 3 to get 6:75 then you divide both numbers by 3 again to get 2:25.

Final

2:25