There are 14 more teachers in School N than in School P. After 25% of the teachers left School N and 50% of teachers left School P, the number of teachers who remained in School N is thrice that of the number of teachers in School P. Find the number of teachers in School N at first.
|
N |
P |
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 N than in School P
= 4 u - 2 u
= 2 u
2 u = 14
1 u = 14 ÷ 2 = 7
Number of teachers in School N at first
= 4 u
= 4 x 7
= 28
Answer(s): 28