Shiyun and her sister have some beads. Shiyun had 47 more beads than her sister. After Shiyun gave her sister 30 beads, her sister has 63 beads now.
- How many beads did her sister have at first?
- How many beads does Shiyun have now?
|
Shiyun |
Her sister |
Before |
1 u + 47 |
1 u |
Change |
- 30 |
+ 30 |
After |
? |
63 |
(a)
Number of beads that her sister had at first
= 63 -30
= 33
(b)
Number of beads that Shiyun had at first
= 1 u + 47
= 33 + 47
= 80
Number of beads that Shiyun has now
= 80 - 30
= 50
Answer(s): (a) 33; (b) 50