Risa has 21 necklaces more than Julie. If Julie gives Risa 10 necklaces, how many more necklaces will Risa have than Julie?
| |
Julie |
Risa |
| Before |
1 u |
1 u + 21 |
| Change |
- 10 |
+ 10 |
| After |
1 u - 10 |
1 u + 31 |
Before
Number of necklaces that Julie has at first = 1 u
Number of necklaces that Risa has at first = 1 u + 21
After
Number of necklaces that Julie will have in the end = 1 u - 10
Number of necklaces that Risa will have in the end = 1 u + 21 + 10 = 1 u + 31
Number of necklaces that Risa will have more than Julie
= 31 + 10
= 41
Answer(s): 41
