Answer:
1) 9:14
2)4:1
Step-by-step explanation:
You have to have all of the teachers compared to all of the adults (teachers included)
You have to simplify 12:3 and you get 4:1.
The first one is 9/5 or 9:5 or 9 to 5
The second is 12/3, if divided will give 4/1 or 4:1 or 4 to 1
