There were 28 more pupils in Group Y than in Group Z. If 12 pupils transferred from Group Y to Group Z, how many more pupils would be in Group Y than in Group Z?
| |
Group Y |
Group Z |
|
| Before |
1 u + 28 |
1 u |
|
| Change |
- 12 |
+ 12 |
|
| After |
1 u + 16 |
1 u + 12 |
|
Number of pupils that Group Y had after transferring to Group Z
= 1 u + 28 - 12
= 1 u + 16
Number of pupils that Group Z had after the transfer
= 1 u + 12
Number of pupils in Group Y more than in Group Z
= 16 - 12
= 4
Answer(s): 4
