Natalie has some cards. She has 15 less cards in Packet Q than in Packet R. After 19 cards were transferred from Packet R to Packet Q, there were 50 cards in Packet R.
- How many cards were there in Packet R at first?
- How many cards were there in Packet Q in the end?
|
Packet Q |
Packet R |
Before |
1 u |
1 u + 15 |
Change |
+ 19 |
- 19 |
After |
1 u + 19 |
50 |
(a)
Number of cards in Packet R at first
= 50 + 19
= 69
(b)
Number of cards in Packet Q at first
= 69 - 15
= 54
Number of cards in Packet Q in the end
= 54 + 19
= 73
Answer(s): (a) 69; (b) 73