PSLE A bag contains stickers of three different colours.
15 of the stickers are orange. The ratio of the number of blue stickers to that of red stickers is 1 : 1. What is the ratio of the number of blue stickers to that of orange stickers?
Orange |
Blue |
Red |
Total |
1x1 |
4x1 |
5x1 |
|
1x2 |
1x2 |
|
1 u |
2 u |
2 u |
5 u |
The total number of red and blue stickers is the combined repeated identity.
Make the total number red and blue stickers the same.
LCM of 4 and 2 = 4
Blue : Orange
2 : 1
Answer(s): 2 : 1