Reggie and Caden had the same number of cards at first. After Reggie had bought another 29 cards and Caden had lost 7 of his cards, Reggie had thrice as many cards as Caden. How many cards did each of them have at first?
|
Caden |
Reggie |
Before |
1 u + 7 |
3 u - 29 |
Change |
- 7 |
+ 29 |
After |
1 u |
3 u |
Reggie and Caden had the same number of cards at first.
3 u - 29 = 1 u + 7
3 u - 1 u = 7 + 29
2 u = 36
1 u = 36 ÷ 2 = 18
Number of cards that each of them had at first
= 1 u + 7
= 18 + 7
= 25
Answer(s): 25