Question
There are 9 more teachers in School F than in School G. After 20% of the teachers left School F and 50% of teachers left School G, the number of teachers who remained in School F is four times that of the number of teachers in School G. Find the number of teachers in School F at first.
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There are 9 more teachers in School F than in School G. After 20% of the teachers left School F and 50% of teachers left School G, the number of teachers who remained in School F is four times that of the number of teachers in School G. Find the number of teachers in School F at first.