PSLE At first, Esther had 84 erasers and some beads. After she gave away 37 erasers and 25% of the beads, she had a total of 68 erasers and beads. How many beads did Esther give away?
|
Erasers |
Beads |
Total |
Before |
84 |
4 u |
|
Change |
- 37 |
- 1 u |
|
After |
47 |
3 u |
68 |
25% =
25100 =
14 Number of erasers that Esther left
= 84 - 37
= 47
Number of beads that Esther left
= 68 - 47
= 21
3 u = 21
1 u = 21 ÷ 3 = 7
Number of beads that Esther gave away
= 1 u
= 1 x 7
= 7
Answer(s): 7