PSLE A bag contains stickers of three different colours.
12 of the stickers are purple. The ratio of the number of orange stickers to that of green stickers is 2 : 1. What is the ratio of the number of orange stickers to that of purple stickers?
Purple |
Orange |
Green |
Total |
1x3 |
1x3 |
2x3 |
|
2x1 |
1x1 |
|
3 u |
2 u |
1 u |
6 u |
The total number of green and orange stickers is the combined repeated identity.
Make the total number green and orange stickers the same.
LCM of 1 and 3 = 3
Orange : Purple
2 : 3
Answer(s): 2 : 3