Julie and Penelope had an equal number of cards at first. After Julie gave 8 cards to Penelope, Penelope had 25 cards. How many cards does Julie have in the end?
| |
Julie |
Penelope |
| Before |
1 u |
1 u |
| Change |
- 8 |
+ 8 |
| After |
1 u - 8 |
25 |
Number of cards that Penelope had at first
= 25 - 8
= 17
1 u = 17
Number of cards that Julie had at first = 17
Number of cards that Julie had in the end
= 1 u - 8
= 17 - 8
= 9
Answer(s): 9
