PSLE At first, Jen had an equal number of orange and gold beads . She gave away
35 of her orange beads and some gold beads. In the end, she was left with
25 of her beads. What fraction of the gold beads did Jen give away?
|
Orange |
Gold |
Total |
Comparing orange beads and gold beads at first |
1x5x1 = 5 u |
1x5x1 = 5 u |
2x5x1 = 10 u |
Before |
5x1 = 5 u |
5 u |
5x2 = 10 u |
Change |
- 3x1 = - 3 u |
- 3 u |
- 2x2 = - 6 u |
After |
2x1 = 2 u |
2 u |
3x2 = 4 u |
After
2x1 =
2 u2 u
3x2 =
4 uThe number of orange beads at first is repeated. Make the number of orange beads the first the same. LCM of 5 and 1 is 5.
The total number of beads at first is repeated. Make the total number of beads at first the same. LCM of 10 and 5 is 10.
Number of gold beads that Jen was left with
= 4 u - 2 u
= 2 u
Number of gold beads that Jen gave away
= 5 u - 2 u
= 3 u
Fraction of the gold beads that Jen gave away =
35 Answer(s):
35