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 blue stickers is 1 : 1. What is the ratio of the number of purple stickers to that of green stickers?
Green |
Purple |
Blue |
Total |
1x1 |
4x1 |
5x1 |
|
1x2 |
1x2 |
|
1 u |
2 u |
2 u |
5 u |
The total number of blue and purple stickers is the combined repeated identity.
Make the total number blue and purple stickers the same.
LCM of 4 and 2 = 4
Purple : Green
2 : 1
Answer(s): 2 : 1