Vanessa has some buttons. She has 10 less buttons in Packet S than in Packet T. After 21 buttons were transferred from Packet T to Packet S, there were 44 buttons in Packet T.
- How many buttons were there in Packet T at first?
- How many buttons were there in Packet S in the end?
|
Packet S |
Packet T |
Before |
1 u |
1 u + 10 |
Change |
+ 21 |
- 21 |
After |
1 u + 21 |
44 |
(a)
Number of buttons in Packet T at first
= 44 + 21
= 65
(b)
Number of buttons in Packet S at first
= 65 - 10
= 55
Number of buttons in Packet S in the end
= 55 + 21
= 76
Answer(s): (a) 65; (b) 76