Tim had
25 as many cards as Xandra. After Tim gave away 34 cards, he had 73 less cards than Xandra. How many cards did Xandra have?
| |
Tim |
Xandra |
| Before |
2 u |
5 u |
| Change |
- 34 |
|
| After |
2 u - 34 |
5 u |
Xandra had 73 more cards than Tim in the end. So, if Tim had another 73 cards, he would have the same number of cards as Xandra.
5 u = 2 u - 34 + 73
5 u - 2 u = 73 - 34
3 u = 39
1 u = 39 ÷ 3 = 13
Number of cards that Xandra had at first
= 5 u
= 5 x 13
= 65
Answer: 65
