PSLE At first, Gabby had 82 coins and some erasers. After she gave away 39 coins and 60% of the erasers, she had a total of 59 coins and erasers. How many erasers did Gabby give away?
|
Coins |
Erasers |
Total |
Before |
82 |
5 u |
|
Change |
- 39 |
- 3 u |
|
After |
43 |
2 u |
59 |
60% =
60100 =
35 Number of coins that Gabby left
= 82 - 39
= 43
Number of erasers that Gabby left
= 59 - 43
= 16
2 u = 16
1 u = 16 ÷ 2 = 8
Number of erasers that Gabby gave away
= 3 u
= 3 x 8
= 24
Answer(s): 24