Yesterday, Brandon had 20 more cards than George. Today, Brandon gave George
47 of his cards. As a result, he has half as many cards as George now. How many cards did Brandon have yesterday?
| |
Brandon |
George |
More |
| Before |
7 u |
2 u |
5 u |
| Change |
- 4 u |
+ 4 u |
|
| After |
3 u |
6 u |
|
Comparing Brandon and
George in the end |
1
|
2
|
|
Number of cards that George has now
= 2 x 3 u
= 6 u
Number of cards that Brandon had more than George yesterday
= 7 u - 2 u
= 5 u
5 u = 20
1 u = 20 ÷ 5 = 4
Number of cards that Brandon had yesterday
= 7 u
= 7 x 4
= 28
Answer(s): 28
