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 brown stickers is 1 : 1. What is the ratio of the number of purple stickers to that of brown stickers?
Purple |
Orange |
Brown |
Total |
1x2 |
1x2 |
2x2 |
|
1x1 |
1x1 |
|
2 u |
1 u |
1 u |
4 u |
The total number of brown and orange stickers is the combined repeated identity.
Make the total number brown and orange stickers the same.
LCM of 1 and 2 = 2
Purple : Brown
2 : 1
Answer(s): 2 : 1