There were 20 more students in Group B than in Group C. If 9 students transferred from Group B to Group C, how many more students would be in Group B than in Group C?
| |
Group B |
Group C |
|
| Before |
1 u + 20 |
1 u |
|
| Change |
- 9 |
+ 9 |
|
| After |
1 u + 11 |
1 u + 9 |
|
Number of students that Group B had after transferring to Group C
= 1 u + 20 - 9
= 1 u + 11
Number of students that Group C had after the transfer
= 1 u + 9
Number of students in Group B more than in Group C
= 11 - 9
= 2
Answer(s): 2
