Shiyun has some stamps. She has 20 less stamps in Bag E than in Bag F. After 22 stamps were transferred from Bag F to Bag E, there were 59 stamps in Bag F.
- How many stamps were there in Bag F at first?
- How many stamps were there in Bag E in the end?
|
Bag E |
Bag F |
Before |
1 u |
1 u + 20 |
Change |
+ 22 |
- 22 |
After |
1 u + 22 |
59 |
(a)
Number of stamps in Bag F at first
= 59 + 22
= 81
(b)
Number of stamps in Bag E at first
= 81 - 20
= 61
Number of stamps in Bag E in the end
= 61 + 22
= 83
Answer(s): (a) 81; (b) 83