Sean had a total of 145 pink and brown balloons. After giving away
38 of the pink balloons and 54 brown balloons, there was an equal number of pink and brown balloons left. How many pink balloons did he have at first?
| |
Pink balloons |
Brown balloons |
Total |
| Before |
8 u |
5 u + 54 |
145 |
| Change |
- 3 u |
- 54 |
|
| After |
5 u |
5 u |
|
Total number of balloons at first
= 8 u + 5 u + 54
= 13 u + 54
13 u + 54 = 145
13 u = 145 - 54
13 u = 91
1 u = 91 ÷ 13 = 7
Number of pink balloons that Sean had at first
= 8 u
= 8 x 7
= 56
Answer(s): 56
