Daniel had
79 as many cards as Xylia. After Daniel gave away 16 cards, he had 52 less cards than Xylia. How many cards did Xylia have?
|
Daniel |
Xylia |
Before |
7 u |
9 u |
Change |
- 16 |
|
After |
7 u - 16 |
9 u |
Xylia had 52 more cards than Daniel in the end. So, if Daniel had another 52 cards, he would have the same number of cards as Xylia.
9 u = 7 u - 16 + 52
9 u - 7 u = 52 - 16
2 u = 36
1 u = 36 ÷ 2 = 18
Number of cards that Xylia had at first
= 9 u
= 9 x 18
= 162
Answer: 162