Marion and her brother have some erasers. Marion had 46 more erasers than her brother. After Marion gave her brother 13 erasers, her brother has 77 erasers now.
- How many erasers did her brother have at first?
- How many erasers does Marion have now?
|
Marion |
Her brother |
Before |
1 u + 46 |
1 u |
Change |
- 13 |
+ 13 |
After |
? |
77 |
(a)
Number of erasers that her brother had at first
= 77 -13
= 64
(b)
Number of erasers that Marion had at first
= 1 u + 46
= 64 + 46
= 110
Number of erasers that Marion has now
= 110 - 13
= 97
Answer(s): (a) 64; (b) 97