Sarah has some buttons. She has 20 less buttons in Bag W than in Bag X. After 25 buttons were transferred from Bag X to Bag W, there were 44 buttons in Bag X.
- How many buttons were there in Bag X at first?
- How many buttons were there in Bag W in the end?
|
Bag W |
Bag X |
Before |
1 u |
1 u + 20 |
Change |
+ 25 |
- 25 |
After |
1 u + 25 |
44 |
(a)
Number of buttons in Bag X at first
= 44 + 25
= 69
(b)
Number of buttons in Bag W at first
= 69 - 20
= 49
Number of buttons in Bag W in the end
= 49 + 25
= 74
Answer(s): (a) 69; (b) 74