Yesterday, Harry had 30 more cards than Sam. Today, Harry gave Sam
59 of his cards. As a result, he has half as many cards as Sam now. How many cards did Harry have yesterday?
| |
Harry |
Sam |
More |
| Before |
9 u |
3 u |
6 u |
| Change |
- 5 u |
+ 5 u |
|
| After |
4 u |
8 u |
|
Comparing Harry and
Sam in the end |
1
|
2
|
|
Number of cards that Sam has now
= 2 x 4 u
= 8 u
Number of cards that Harry had more than Sam yesterday
= 9 u - 3 u
= 6 u
6 u = 30
1 u = 30 ÷ 6 = 5
Number of cards that Harry had yesterday
= 9 u
= 9 x 5
= 45
Answer(s): 45
