Question
There are 12 more teachers in School K than in School L. After 20% of the teachers left School K and 50% of teachers left School L, the number of teachers who remained in School K is four times that of the number of teachers in School L. Find the number of teachers in School K at first.
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There are 12 more teachers in School K than in School L. After 20% of the teachers left School K and 50% of teachers left School L, the number of teachers who remained in School K is four times that of the number of teachers in School L. Find the number of teachers in School K at first.