PSLE A bag contains stickers of three different colours.
15 of the stickers are yellow. The ratio of the number of brown stickers to that of blue stickers is 2 : 3. What is the ratio of the number of brown stickers to that of yellow stickers?
Yellow |
Brown |
Blue |
Total |
1x5 |
4x5 |
5x5 |
|
2x4 |
3x4 |
|
5 u |
8 u |
12 u |
25 u |
The total number of blue and brown stickers is the combined repeated identity.
Make the total number blue and brown stickers the same.
LCM of 4 and 5 = 20
Brown : Yellow
8 : 5
Answer(s): 8 : 5