Xandra and her brother have some erasers. Xandra had 43 more erasers than her brother. After Xandra gave her brother 40 erasers, her brother has 82 erasers now.
- How many erasers did her brother have at first?
- How many erasers does Xandra have now?
|
Xandra |
Her brother |
Before |
1 u + 43 |
1 u |
Change |
- 40 |
+ 40 |
After |
? |
82 |
(a)
Number of erasers that her brother had at first
= 82 -40
= 42
(b)
Number of erasers that Xandra had at first
= 1 u + 43
= 42 + 43
= 85
Number of erasers that Xandra has now
= 85 - 40
= 45
Answer(s): (a) 42; (b) 45