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There are 450 students, 20 teachers and 5 teacher's aides at Canyon Hills Middle School. What is the ratio of students to teachers and their aides?
A
9:2

B
90:1

C
1:18

D
18:1

Respuesta :

Answer:

D. 18 : 1

Step-by-step explanation:

Students : teachers and aides

450 : 25

Treat it like a fraction. 450 over 25 simplifies to 18 over 1 because 450/25=18 and 25/25=1.

Therefore, the ratio is 18 : 1

pmart

Answer: 18:1

Step-by-step explanation:

450 students : 25 teachers

18 students : 1 teachers

450/25= 18