PSLE A bag contains stickers of three different colours.
19 of the stickers are red. The ratio of the number of orange stickers to that of purple stickers is 2 : 3. What is the ratio of the number of orange stickers to that of red stickers?
Red |
Orange |
Purple |
Total |
1x5 |
8x5 |
9x5 |
|
2x8 |
3x8 |
|
5 u |
16 u |
24 u |
45 u |
The total number of purple and orange stickers is the combined repeated identity.
Make the total number purple and orange stickers the same.
LCM of 8 and 5 = 40
Orange : Red
16 : 5
Answer(s): 16 : 5