There were 22 more students in Group Y than in Group Z. If 9 students transferred from Group Y to Group Z, how many more students would be in Group Y than in Group Z?
| |
Group Y |
Group Z |
|
| Before |
1 u + 22 |
1 u |
|
| Change |
- 9 |
+ 9 |
|
| After |
1 u + 13 |
1 u + 9 |
|
Number of students that Group Y had after transferring to Group Z
= 1 u + 22 - 9
= 1 u + 13
Number of students that Group Z had after the transfer
= 1 u + 9
Number of students in Group Y more than in Group Z
= 13 - 9
= 4
Answer(s): 4
