PSLE A bag contains stickers of three different colours.
15 of the stickers are green. The ratio of the number of purple stickers to that of brown stickers is 1 : 2. What is the ratio of the number of purple stickers to that of green stickers?
Green |
Purple |
Brown |
Total |
1x3 |
4x3 |
5x3 |
|
1x4 |
2x4 |
|
3 u |
4 u |
8 u |
15 u |
The total number of brown and purple stickers is the combined repeated identity.
Make the total number brown and purple stickers the same.
LCM of 4 and 3 = 12
Purple : Green
4 : 3
Answer(s): 4 : 3