PSLE A bag contains beads of three different colours.
13 of the beads are yellow. The ratio of the number of green beads to that of purple beads is 3 : 2. What is the ratio of the number of green beads to that of yellow beads?
Yellow |
Green |
Purple |
Total |
1x5 |
2x5 |
3x5 |
|
3x2 |
2x2 |
|
5 u |
6 u |
4 u |
15 u |
The total number of purple and green beads is the combined repeated identity.
Make the total number purple and green beads the same.
LCM of 2 and 5 = 10
Green : Yellow
6 : 5
Answer(s): 6 : 5