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Mathematics, 10.03.2020 23:01 graciewyatt6833
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.
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In a school of 2000 students, the ratio of teachers to students is 3:80. Some teachers join the scho...
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