There were 21 more students in Group D than in Group E. If 8 students transferred from Group D to Group E, how many more students would be in Group D than in Group E?
|
Group D |
Group E |
|
Before |
1 u + 21 |
1 u |
|
Change |
- 8 |
+ 8 |
|
After |
1 u + 13 |
1 u + 8 |
|
Number of students that Group D had after transferring to Group E
= 1 u + 21 - 8
= 1 u + 13
Number of students that Group E had after the transfer
= 1 u + 8
Number of students in Group D more than in Group E
= 13 - 8
= 5
Answer(s): 5