Sabrina has some coins. She has 19 less coins in Packet J than in Packet K. After 21 coins were transferred from Packet K to Packet J, there were 59 coins in Packet K.
- How many coins were there in Packet K at first?
- How many coins were there in Packet J in the end?
|
Packet J |
Packet K |
Before |
1 u |
1 u + 19 |
Change |
+ 21 |
- 21 |
After |
1 u + 21 |
59 |
(a)
Number of coins in Packet K at first
= 59 + 21
= 80
(b)
Number of coins in Packet J at first
= 80 - 19
= 61
Number of coins in Packet J in the end
= 61 + 21
= 82
Answer(s): (a) 80; (b) 82