PSLE A bag contains stickers of three different colours.
13 of the stickers are brown. The ratio of the number of green stickers to that of blue stickers is 1 : 6. What is the ratio of the number of brown stickers to that of blue stickers?
Brown |
Green |
Blue |
Total |
1x7 |
2x7 |
3x7 |
|
1x2 |
6x2 |
|
7 u |
2 u |
12 u |
21 u |
The total number of blue and green stickers is the combined repeated identity.
Make the total number blue and green stickers the same.
LCM of 2 and 7 = 14
Brown : Blue
7 : 12
Answer(s): 7 : 12