PSLE A bag contains stickers of three different colours.
112 of the stickers are blue. The ratio of the number of green stickers to that of red stickers is 1 : 2. What is the ratio of the number of blue stickers to that of red stickers?
Blue |
Green |
Red |
Total |
1x3 |
11x3 |
12x3 |
|
1x11 |
2x11 |
|
3 u |
11 u |
22 u |
36 u |
The total number of red and green stickers is the combined repeated identity.
Make the total number red and green stickers the same.
LCM of 11 and 3 = 33
Blue : Red
3 : 22
Answer(s): 3 : 22