PSLE At first, Min had 82 buttons and some cards. After she gave away 49 buttons and 25% of the cards, she had a total of 60 buttons and cards. How many cards did Min have at first?
|
Buttons |
Cards |
Total |
Before |
82 |
4 u |
|
Change |
- 49 |
- 1 u |
|
After |
33 |
3 u |
60 |
25% =
25100 =
14 Number of buttons that Min left
= 82 - 49
= 33
Number of cards that Min left
= 60 - 33
= 27
3 u = 27
1 u = 27 ÷ 3 = 9
Number of cards that Min had at first
= 4 u
= 4 x 9
= 36
Answer(s): 36