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