Charlie had a total of 162 pink and gold paper cranes. After giving away
13 of the pink paper cranes and 57 gold paper cranes, there was an equal number of pink and gold paper cranes left. How many pink paper cranes did he have at first?
| |
Pink paper cranes |
Gold paper cranes |
Total |
| Before |
3 u |
2 u + 57 |
162 |
| Change |
- 1 u |
- 57 |
|
| After |
2 u |
2 u |
|
Total number of paper cranes at first
= 3 u + 2 u + 57
= 5 u + 57
5 u + 57 = 162
5 u = 162 - 57
5 u = 105
1 u = 105 ÷ 5 = 21
Number of pink paper cranes that Charlie had at first
= 3 u
= 3 x 21
= 63
Answer(s): 63
