Perry had a total of 189 brown and pink balls. After giving away
34 of the brown balls and 69 pink balls, there was an equal number of brown and pink balls left. How many brown balls did he have at first?
| |
Brown balls |
Pink balls |
Total |
| Before |
4 u |
1 u + 69 |
189 |
| Change |
- 3 u |
- 69 |
|
| After |
1 u |
1 u |
|
Total number of balls at first
= 4 u + 1 u + 69
= 5 u + 69
5 u + 69 = 189
5 u = 189 - 69
5 u = 120
1 u = 120 ÷ 5 = 24
Number of brown balls that Perry had at first
= 4 u
= 4 x 24
= 96
Answer(s): 96
