PSLE At first, Julie had an equal number of green and red beads . She gave away
25 of her green beads and some red beads. In the end, she was left with
35 of her beads. What fraction of the red beads was Julie left with?
|
Green |
Red |
Total |
Comparing green beads and red beads at first |
1x5x1 = 5 u |
1x5x1 = 5 u |
2x5x1 = 10 u |
Before |
5x1 = 5 u |
5 u |
5x2 = 10 u |
Change |
- 2x1 = - 2 u |
- 2 u |
- 3x2 = - 4 u |
After |
3x1 = 3 u |
3 u |
2x2 = 6 u |
The number of green beads at first is repeated. Make the number of green 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 red beads that Julie was left with
= 6 u - 3 u
= 3 u
Fraction of the red beads that Julie was left with =
35 Answer(s):
35