PSLE A bag contains beads of three different colours.
12 of the beads are yellow. The ratio of the number of brown beads to that of green beads is 3 : 2. What is the ratio of the number of yellow beads to that of green beads?
Yellow |
Brown |
Green |
Total |
1x5 |
1x5 |
2x5 |
|
3x1 |
2x1 |
|
5 u |
3 u |
2 u |
10 u |
The total number of green and brown beads is the combined repeated identity.
Make the total number green and brown beads the same.
LCM of 1 and 5 = 5
Yellow : Green
5 : 2
Answer(s): 5 : 2