PSLE A bag contains stickers of three different colours.
12 of the stickers are brown. The ratio of the number of blue stickers to that of green stickers is 1 : 7. What is the ratio of the number of blue stickers to that of brown stickers?
Brown |
Blue |
Green |
Total |
1x8 |
1x8 |
2x8 |
|
1x1 |
7x1 |
|
8 u |
1 u |
7 u |
16 u |
The total number of green and blue stickers is the combined repeated identity.
Make the total number green and blue stickers the same.
LCM of 1 and 8 = 8
Blue : Brown
1 : 8
Answer(s): 1 : 8