PSLE A bag contains marbles of three different colours.
14 of the marbles are green. The ratio of the number of red marbles to that of brown marbles is 3 : 2. What is the ratio of the number of green marbles to that of brown marbles?
Green |
Red |
Brown |
Total |
1x5 |
3x5 |
4x5 |
|
3x3 |
2x3 |
|
5 u |
9 u |
6 u |
20 u |
The total number of brown and red marbles is the combined repeated identity.
Make the total number brown and red marbles the same.
LCM of 3 and 5 = 15
Green : Brown
5 : 6
Answer(s): 5 : 6