Perry and Kimberly shared some buttons equally. After Kimberly bought 34 buttons and Perry gave 181 buttons away, they had 303 buttons left. How many buttons did each of them have at first?
| |
Perry |
Kimberly |
Total |
| Before |
1 u |
1 u |
|
| Change |
+ 34 |
- 181 |
|
| After |
1 u + 34 |
1 u - 181 |
303 |
Perry and Kimberly had the same number of buttons at first.
Total number of buttons in the end
= 1 u + 34 + 1 u - 181
= 1 u + 1 u + 34 - 181
= 2 u - 147
2 u - 147 = 303
2 u = 303 + 147
2 u = 450
1 u = 450 ÷ 2 = 225
Number of buttons that each of them had at first
= 1 u
= 225
Answer(s): 225
