Yesterday, Nick had 45 more cards than Pierre. Today, Nick gave Pierre
47 of his cards. As a result, he has half as many cards as Pierre now. How many cards did Nick have yesterday?
|
Nick |
Pierre |
More |
Before |
7 u |
2 u |
5 u |
Change |
- 4 u |
+ 4 u |
|
After |
3 u |
6 u |
|
Comparing Nick and Pierre in the end |
1
|
2
|
|
Number of cards that Pierre has now
= 2 x 3 u
= 6 u
Number of cards that Nick had more than Pierre yesterday
= 7 u - 2 u
= 5 u
5 u = 45
1 u = 45 ÷ 5 = 9
Number of cards that Nick had yesterday
= 7 u
= 7 x 9
= 63
Answer(s): 63