Question
There are 33 more teachers in School J than in School K. After 20% of the teachers left School J and 50% of teachers left School K, the number of teachers who remained in School J is four times that of the number of teachers in School K. Find the number of teachers in School J at first.
4 m

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There are 33 more teachers in School J than in School K. After 20% of the teachers left School J and 50% of teachers left School K, the number of teachers who remained in School J is four times that of the number of teachers in School K. Find the number of teachers in School J at first.