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The ratio of teachers to students in a school is 1:12.6.

a) there are 83 teachers.
Work out the number of students.
b) In another school the ratio of teachers to students is 1:10.8. There are 486 students in this school. How many teachers are there?


A] total number of ratio is 93.4580
b] teachers are there is  5384.880

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