PSLE A bag contains stickers of three different colours.
14 of the stickers are purple. The ratio of the number of orange stickers to that of blue stickers is 7 : 2. What is the ratio of the number of orange stickers to that of purple stickers?
Purple |
Orange |
Blue |
Total |
1x3 |
3x3 |
4x3 |
|
7x1 |
2x1 |
|
3 u |
7 u |
2 u |
12 u |
The total number of blue and orange stickers is the combined repeated identity.
Make the total number blue and orange stickers the same.
LCM of 3 and 9 = 9
Orange : Purple
7 : 3
Answer(s): 7 : 3