There are 12 more teachers in School H than in School J. After 25% of the teachers left School H and 50% of teachers left School J, the number of teachers who remained in School H is thrice that of the number of teachers in School J. Find the number of teachers in School H at first.
|
H |
J |
Before |
4 u |
2 u |
Change |
- 1 u |
- 1 u |
After |
3 u |
1 u |
25% =
25100 =
14 50% =
50100 =
12Number of more teachers in School H than in School J
= 4 u - 2 u
= 2 u
2 u = 12
1 u = 12 ÷ 2 = 6
Number of teachers in School H at first
= 4 u
= 4 x 6
= 24
Answer(s): 24