PSLE At first, Fiona had 72 coins and some cards. After she gave away 44 coins and 40% of the cards, she had a total of 46 coins and cards. How many cards did Fiona give away?
|
Coins |
Cards |
Total |
Before |
72 |
5 u |
|
Change |
- 44 |
- 2 u |
|
After |
28 |
3 u |
46 |
40% =
40100 =
25 Number of coins that Fiona left
= 72 - 44
= 28
Number of cards that Fiona left
= 46 - 28
= 18
3 u = 18
1 u = 18 ÷ 3 = 6
Number of cards that Fiona gave away
= 2 u
= 2 x 6
= 12
Answer(s): 12