There were 27 more students in Group C than in Group D. If 9 students transferred from Group C to Group D, how many more students would be in Group C than in Group D?
| |
Group C |
Group D |
|
| Before |
1 u + 27 |
1 u |
|
| Change |
- 9 |
+ 9 |
|
| After |
1 u + 18 |
1 u + 9 |
|
Number of students that Group C had after transferring to Group D
= 1 u + 27 - 9
= 1 u + 18
Number of students that Group D had after the transfer
= 1 u + 9
Number of students in Group C more than in Group D
= 18 - 9
= 9
Answer(s): 9
