PSLE A bag contains beads of three different colours.
110 of the beads are green. The ratio of the number of yellow beads to that of purple beads is 3 : 2. What is the ratio of the number of yellow beads to that of green beads?
Green |
Yellow |
Purple |
Total |
1x5 |
9x5 |
10x5 |
|
3x9 |
2x9 |
|
5 u |
27 u |
18 u |
50 u |
The total number of purple and yellow beads is the combined repeated identity.
Make the total number purple and yellow beads the same.
LCM of 9 and 5 = 45
Yellow : Green
27 : 5
Answer(s): 27 : 5