There were 22 more pupils in Group X than in Group Y. If 10 pupils transferred from Group X to Group Y, how many more pupils would be in Group X than in Group Y?
|
Group X |
Group Y |
|
Before |
1 u + 22 |
1 u |
|
Change |
- 10 |
+ 10 |
|
After |
1 u + 12 |
1 u + 10 |
|
Number of pupils that Group X had after transferring to Group Y
= 1 u + 22 - 10
= 1 u + 12
Number of pupils that Group Y had after the transfer
= 1 u + 10
Number of pupils in Group X more than in Group Y
= 12 - 10
= 2
Answer(s): 2