There are 32 more teachers in School Y than in School Z. After 25% of the teachers left School Y and 50% of teachers left School Z, the number of teachers who remained in School Y is thrice that of the number of teachers in School Z. Find the number of teachers in School Y at first.
|
Y |
Z |
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 Y than in School Z
= 4 u - 2 u
= 2 u
2 u = 32
1 u = 32 ÷ 2 = 16
Number of teachers in School Y at first
= 4 u
= 4 x 16
= 64
Answer(s): 64