Nora and Esther had an equal number of beads at first. After Nora gave 4 beads to Esther, Esther had 23 beads. How many beads does Nora have in the end?
| |
Nora |
Esther |
| Before |
1 u |
1 u |
| Change |
- 4 |
+ 4 |
| After |
1 u - 4 |
23 |
Number of beads that Esther had at first
= 23 - 4
= 19
1 u = 19
Number of beads that Nora had at first = 19
Number of beads that Nora had in the end
= 1 u - 4
= 19 - 4
= 15
Answer(s): 15
