Mathematics, 27.01.2021 14:20, BlueLemonWater

In a school of 2000 students, the ratio of teachers to students is 3:80, Some teachers join the school and the ratio changes to 1:20.
Find the number of teachers who joined the school,

Answers: 2

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In a school of 2000 students, the ratio of teachers to students is 3:80, Some teachers join the sch...