PSLE A bag contains beads of three different colours.
14 of the beads are purple. The ratio of the number of orange beads to that of brown beads is 4 : 1. What is the ratio of the number of orange beads to that of purple beads?
Purple |
Orange |
Brown |
Total |
1x5 |
3x5 |
4x5 |
|
4x3 |
1x3 |
|
5 u |
12 u |
3 u |
20 u |
The total number of brown and orange beads is the combined repeated identity.
Make the total number brown and orange beads the same.
LCM of 3 and 5 = 15
Orange : Purple
12 : 5
Answer(s): 12 : 5