Yesterday, Eric had 35 more cards than Dylan. Today, Eric gave Dylan
47 of his cards. As a result, he has half as many cards as Dylan now. How many cards did Eric have yesterday?
|
Eric |
Dylan |
More |
Before |
7 u |
2 u |
5 u |
Change |
- 4 u |
+ 4 u |
|
After |
3 u |
6 u |
|
Comparing Eric and Dylan in the end |
1
|
2
|
|
Number of cards that Dylan has now
= 2 x 3 u
= 6 u
Number of cards that Eric had more than Dylan yesterday
= 7 u - 2 u
= 5 u
5 u = 35
1 u = 35 ÷ 5 = 7
Number of cards that Eric had yesterday
= 7 u
= 7 x 7
= 49
Answer(s): 49