John had 517 buttons and Roshel had 325 buttons. After John gave Roshel some buttons, both of them have the same number of buttons. How many buttons did John give Roshel?
|
John |
Roshel |
Difference |
Before |
517 |
325 |
192 |
Change |
- ? |
+ ? |
|
After |
1 u |
1 u |
0 |
The total number of buttons remains unchanged after John gave Roshel some buttons.
The number of buttons that each had in the end is the same.
Number of more buttons that John had than Roshel
= 517 - 325
= 192
Number of buttons that John gave Roshel
= 192 ÷ 2
= 96
Answer(s): 96