PSLE A bag contains stickers of three different colours.
14 of the stickers are blue. The ratio of the number of red stickers to that of orange stickers is 4 : 1. What is the ratio of the number of red stickers to that of blue stickers?
Blue |
Red |
Orange |
Total |
1x5 |
3x5 |
4x5 |
|
4x3 |
1x3 |
|
5 u |
12 u |
3 u |
20 u |
The total number of orange and red stickers is the combined repeated identity.
Make the total number orange and red stickers the same.
LCM of 3 and 5 = 15
Red : Blue
12 : 5
Answer(s): 12 : 5