Shannon has some stamps. She has 10 less stamps in Packet L than in Packet M. After 19 stamps were transferred from Packet M to Packet L, there were 70 stamps in Packet M.
- How many stamps were there in Packet M at first?
- How many stamps were there in Packet L in the end?
|
Packet L |
Packet M |
Before |
1 u |
1 u + 10 |
Change |
+ 19 |
- 19 |
After |
1 u + 19 |
70 |
(a)
Number of stamps in Packet M at first
= 70 + 19
= 89
(b)
Number of stamps in Packet L at first
= 89 - 10
= 79
Number of stamps in Packet L in the end
= 79 + 19
= 98
Answer(s): (a) 89; (b) 98