Julian had 412 cards and Gillian had 322 cards. After Julian gave Gillian some cards, both of them have the same number of cards. How many cards did Julian give Gillian?
|
Julian |
Gillian |
Difference |
Before |
412 |
322 |
90 |
Change |
- ? |
+ ? |
|
After |
1 u |
1 u |
0 |
The total number of cards remains unchanged after Julian gave Gillian some cards.
The number of cards that each had in the end is the same.
Number of more cards that Julian had than Gillian
= 412 - 322
= 90
Number of cards that Julian gave Gillian
= 90 ÷ 2
= 45
Answer(s): 45