Question
There are 48 more teachers in School U than in School V. After 20% of the teachers left School U and 50% of teachers left School V, the number of teachers who remained in School U is four times that of the number of teachers in School V. Find the number of teachers in School U at first.
4 m

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There are 48 more teachers in School U than in School V. After 20% of the teachers left School U and 50% of teachers left School V, the number of teachers who remained in School U is four times that of the number of teachers in School V. Find the number of teachers in School U at first.