PSLE A bag contains stickers of three different colours.
19 of the stickers are red. The ratio of the number of yellow stickers to that of orange stickers is 2 : 1. What is the ratio of the number of yellow stickers to that of red stickers?
Red |
Yellow |
Orange |
Total |
1x3 |
8x3 |
9x3 |
|
2x8 |
1x8 |
|
3 u |
16 u |
8 u |
27 u |
The total number of orange and yellow stickers is the combined repeated identity.
Make the total number orange and yellow stickers the same.
LCM of 8 and 3 = 24
Yellow : Red
16 : 3
Answer(s): 16 : 3