PSLE A bag contains stickers of three different colours.
14 of the stickers are orange. The ratio of the number of blue stickers to that of red stickers is 3 : 4. What is the ratio of the number of blue stickers to that of orange stickers?
Orange |
Blue |
Red |
Total |
1x7 |
3x7 |
4x7 |
|
3x3 |
4x3 |
|
7 u |
9 u |
12 u |
28 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 3 and 7 = 21
Blue : Orange
9 : 7
Answer(s): 9 : 7