PSLE A bag contains stickers of three different colours.
13 of the stickers are brown. The ratio of the number of blue stickers to that of yellow stickers is 1 : 2. What is the ratio of the number of blue stickers to that of brown stickers?
Brown |
Blue |
Yellow |
Total |
1x3 |
2x3 |
3x3 |
|
1x2 |
2x2 |
|
3 u |
2 u |
4 u |
9 u |
The total number of yellow and blue stickers is the combined repeated identity.
Make the total number yellow and blue stickers the same.
LCM of 2 and 3 = 6
Blue : Brown
2 : 3
Answer(s): 2 : 3