Yesterday, Jenson had 30 more cards than Vincent. Today, Jenson gave Vincent
49 of his cards. As a result, he has half as many cards as Vincent now. How many cards did Jenson have yesterday?
| |
Jenson |
Vincent |
More |
| Before |
9 u |
6 u |
3 u |
| Change |
- 4 u |
+ 4 u |
|
| After |
5 u |
10 u |
|
Comparing Jenson and
Vincent in the end |
1
|
2
|
|
Number of cards that Vincent has now
= 2 x 5 u
= 10 u
Number of cards that Jenson had more than Vincent yesterday
= 9 u - 6 u
= 3 u
3 u = 30
1 u = 30 ÷ 3 = 10
Number of cards that Jenson had yesterday
= 9 u
= 9 x 10
= 90
Answer(s): 90
