well, in short, the students and chaperones are at a 2 : 9 ratio, and we know there are 171 students, how many chaperones then, so long they maintain a 2:9 ratio?

18,000
just use a calculator bro
Answer:
0.162
Step-by-step explanation:
(12+13)/154
25/154
0.162
5.5x+180=455
5.5x=275
The answer is X=50