Question
There are 30 more teachers in School R than in School S. After 25% of the teachers left School R and 50% of teachers left School S, the number of teachers who remained in School R is thrice that of the number of teachers in School S. Find the number of teachers in School R at first.
4 m

Click button first when a symbol is required. X

There are 30 more teachers in School R than in School S. After 25% of the teachers left School R and 50% of teachers left School S, the number of teachers who remained in School R is thrice that of the number of teachers in School S. Find the number of teachers in School R at first.