Zoe and Sabrina had an equal number of beads at first. After Zoe gave 3 beads to Sabrina, Sabrina had 30 beads. How many beads does Zoe have in the end?
| |
Zoe |
Sabrina |
| Before |
1 u |
1 u |
| Change |
- 3 |
+ 3 |
| After |
1 u - 3 |
30 |
Number of beads that Sabrina had at first
= 30 - 3
= 27
1 u = 27
Number of beads that Zoe had at first = 27
Number of beads that Zoe had in the end
= 1 u - 3
= 27 - 3
= 24
Answer(s): 24
