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20 September, 05:00

The student to teacher ratio is 19:1 at school and there is a total of 400 students and teachers. How many teachers and how many students are there?

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  1. 20 September, 05:16
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    Suppose there are 19x students, 1x teachers

    19x+1x=400

    20x=400

    x=20

    there are 20 teachers and 380 students.
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