12. The student-teacher ratio in a school is 45 : 2. If there are 4050 students in the school,
how many teachers are there in the school?
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12. The student-teacher ratio in a school is 45 : 2. If there are 4050 students in the school,
how many teachers are there in the school?
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Answer:
answer is 180
Step-by-step explanation:
stuedent teacher ratio =45:2
let the no.of students 45x
45x=4050 ( no.of st.given )
x =4050/45
x = 90
let the no of teachers to be 2x
so the no of students = 2x
2x = 2×90=180
so no.of teachers = 180
Answer:
[tex]\huge{\underline{\underline{\sf{꧁Solution꧂}}}}[/tex]
Total number of students = 4050
Let total number of teachers = x
The student-teacher ratio in a school = 45 : 2
∴ Required ratio = Total number of students/Total number of teacher
⇒ 45/2 = 4050/x ⇒ x = (4050 × 2)/45 = 180 teachers
∴ Number of teachers = 180