Ken had a total of 179 silver and white balloons. After giving away
12 of the silver balloons and 53 white balloons, there was an equal number of silver and white balloons left. How many silver balloons did he have at first?
| |
Silver balloons |
White balloons |
Total |
| Before |
2 u |
1 u + 53 |
179 |
| Change |
- 1 u |
- 53 |
|
| After |
1 u |
1 u |
|
Total number of balloons at first
= 2 u + 1 u + 53
= 3 u + 53
3 u + 53 = 179
3 u = 179 - 53
3 u = 126
1 u = 126 ÷ 3 = 42
Number of silver balloons that Ken had at first
= 2 u
= 2 x 42
= 84
Answer(s): 84
