PSLE At first, Emily had 58 stamps and some erasers. After she gave away 34 stamps and 60% of the erasers, she had a total of 32 stamps and erasers. How many erasers did Emily have at first?
|
Stamps |
Erasers |
Total |
Before |
58 |
5 u |
|
Change |
- 34 |
- 3 u |
|
After |
24 |
2 u |
32 |
60% =
60100 =
35 Number of stamps that Emily left
= 58 - 34
= 24
Number of erasers that Emily left
= 32 - 24
= 8
2 u = 8
1 u = 8 ÷ 2 = 4
Number of erasers that Emily had at first
= 5 u
= 5 x 4
= 20
Answer(s): 20