PSLE At first, Diana had 89 cards and some coins. After she gave away 52 cards and 25% of the coins, she had a total of 46 cards and coins. How many coins did Diana give away?
|
Cards |
Coins |
Total |
Before |
89 |
4 u |
|
Change |
- 52 |
- 1 u |
|
After |
37 |
3 u |
46 |
25% =
25100 =
14 Number of cards that Diana left
= 89 - 52
= 37
Number of coins that Diana left
= 46 - 37
= 9
3 u = 9
1 u = 9 ÷ 3 = 3
Number of coins that Diana gave away
= 1 u
= 1 x 3
= 3
Answer(s): 3