Zara and her brother have some erasers. Zara had 71 more erasers than her brother. After Zara gave her brother 20 erasers, her brother has 96 erasers now.
- How many erasers did her brother have at first?
- How many erasers does Zara have now?
|
Zara |
Her brother |
Before |
1 u + 71 |
1 u |
Change |
- 20 |
+ 20 |
After |
? |
96 |
(a)
Number of erasers that her brother had at first
= 96 -20
= 76
(b)
Number of erasers that Zara had at first
= 1 u + 71
= 76 + 71
= 147
Number of erasers that Zara has now
= 147 - 20
= 127
Answer(s): (a) 76; (b) 127