Xuan and her sister have some erasers. Xuan had 62 more erasers than her sister. After Xuan gave her sister 16 erasers, her sister has 88 erasers now.
- How many erasers did her sister have at first?
- How many erasers does Xuan have now?
|
Xuan |
Her sister |
Before |
1 u + 62 |
1 u |
Change |
- 16 |
+ 16 |
After |
? |
88 |
(a)
Number of erasers that her sister had at first
= 88 -16
= 72
(b)
Number of erasers that Xuan had at first
= 1 u + 62
= 72 + 62
= 134
Number of erasers that Xuan has now
= 134 - 16
= 118
Answer(s): (a) 72; (b) 118