PSLE A bag contains beads of three different colours.
19 of the beads are orange. The ratio of the number of yellow beads to that of red beads is 5 : 1. What is the ratio of the number of orange beads to that of red beads?
Orange |
Yellow |
Red |
Total |
1x3 |
8x3 |
9x3 |
|
5x4 |
1x4 |
|
3 u |
20 u |
4 u |
27 u |
The total number of red and yellow beads is the combined repeated identity.
Make the total number red and yellow beads the same.
LCM of 8 and 6 = 24
Orange : Red
3 : 4
Answer(s): 3 : 4