In a school of 1200 students, the ratio of
the number of teachers to students is 1 : 15.
After...
![subject](/tpl/images/cats/mat.png)
Mathematics, 04.04.2021 09:20 boonkgang6821
In a school of 1200 students, the ratio of
the number of teachers to students is 1 : 15.
After some teachers join the school, the ratio of
the number of teachers to students becomes 3:40.
Find
(i) the initial number of teachers in the school,
(ii) the number of teachers who join the school.​
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Answers: 1
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