PSLE A bag contains beads of three different colours.
17 of the beads are green. The ratio of the number of orange beads to that of purple beads is 2 : 3. What is the ratio of the number of green beads to that of purple beads?
Green |
Orange |
Purple |
Total |
1x5 |
6x5 |
7x5 |
|
2x6 |
3x6 |
|
5 u |
12 u |
18 u |
35 u |
The total number of purple and orange beads is the combined repeated identity.
Make the total number purple and orange beads the same.
LCM of 6 and 5 = 30
Green : Purple
5 : 18
Answer(s): 5 : 18