PSLE A bag contains beads of three different colours.
19 of the beads are orange. The ratio of the number of red beads to that of green beads is 4 : 1. What is the ratio of the number of red beads to that of orange beads?
Orange |
Red |
Green |
Total |
1x5 |
8x5 |
9x5 |
|
4x8 |
1x8 |
|
5 u |
32 u |
8 u |
45 u |
The total number of green and red beads is the combined repeated identity.
Make the total number green and red beads the same.
LCM of 8 and 5 = 40
Red : Orange
32 : 5
Answer(s): 32 : 5