PSLE At first, Xuan had 64 coins and some cards. After she gave away 53 coins and 60% of the cards, she had a total of 21 coins and cards. How many cards did Xuan have at first?
|
Coins |
Cards |
Total |
Before |
64 |
5 u |
|
Change |
- 53 |
- 3 u |
|
After |
11 |
2 u |
21 |
60% =
60100 =
35 Number of coins that Xuan left
= 64 - 53
= 11
Number of cards that Xuan left
= 21 - 11
= 10
2 u = 10
1 u = 10 ÷ 2 = 5
Number of cards that Xuan had at first
= 5 u
= 5 x 5
= 25
Answer(s): 25