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