PSLE At first, Olivia had 65 beads and some pens. After she gave away 27 beads and 60% of the pens, she had a total of 56 beads and pens. How many pens did Olivia have at first?
|
Beads |
Pens |
Total |
Before |
65 |
5 u |
|
Change |
- 27 |
- 3 u |
|
After |
38 |
2 u |
56 |
60% =
60100 =
35 Number of beads that Olivia left
= 65 - 27
= 38
Number of pens that Olivia left
= 56 - 38
= 18
2 u = 18
1 u = 18 ÷ 2 = 9
Number of pens that Olivia had at first
= 5 u
= 5 x 9
= 45
Answer(s): 45