There were 30 more pupils in Group N than in Group P. If 7 pupils transferred from Group N to Group P, how many more pupils would be in Group N than in Group P?
|
Group N |
Group P |
|
Before |
1 u + 30 |
1 u |
|
Change |
- 7 |
+ 7 |
|
After |
1 u + 23 |
1 u + 7 |
|
Number of pupils that Group N had after transferring to Group P
= 1 u + 30 - 7
= 1 u + 23
Number of pupils that Group P had after the transfer
= 1 u + 7
Number of pupils in Group N more than in Group P
= 23 - 7
= 16
Answer(s): 16