PSLE A bag contains erasers of three different colours.
12 of the erasers are green. The ratio of the number of brown erasers to that of yellow erasers is 5 : 3. What is the ratio of the number of green erasers to that of yellow erasers?
Green |
Brown |
Yellow |
Total |
1x8 |
1x8 |
2x8 |
|
5x1 |
3x1 |
|
8 u |
5 u |
3 u |
16 u |
The total number of yellow and brown erasers is the combined repeated identity.
Make the total number yellow and brown erasers the same.
LCM of 1 and 8 = 8
Green : Yellow
8 : 3
Answer(s): 8 : 3