Penelope has some cards. She has 5 less cards in Packet R than in Packet S. After 7 cards were transferred from Packet S to Packet R, there were 98 cards in Packet S.
- How many cards were there in Packet S at first?
- How many cards were there in Packet R in the end?
|
Packet R |
Packet S |
Before |
1 u |
1 u + 5 |
Change |
+ 7 |
- 7 |
After |
1 u + 7 |
98 |
(a)
Number of cards in Packet S at first
= 98 + 7
= 105
(b)
Number of cards in Packet R at first
= 105 - 5
= 100
Number of cards in Packet R in the end
= 100 + 7
= 107
Answer(s): (a) 105; (b) 107