There were 29 more children in Group J than in Group K. If 7 children transferred from Group J to Group K, how many more children would be in Group J than in Group K?
| |
Group J |
Group K |
|
| Before |
1 u + 29 |
1 u |
|
| Change |
- 7 |
+ 7 |
|
| After |
1 u + 22 |
1 u + 7 |
|
Number of children that Group J had after transferring to Group K
= 1 u + 29 - 7
= 1 u + 22
Number of children that Group K had after the transfer
= 1 u + 7
Number of children in Group J more than in Group K
= 22 - 7
= 15
Answer(s): 15
