PSLE A bag contains marbles of three different colours.
14 of the marbles are blue. The ratio of the number of brown marbles to that of red marbles is 1 : 1. What is the ratio of the number of brown marbles to that of blue marbles?
Blue |
Brown |
Red |
Total |
1x2 |
3x2 |
4x2 |
|
1x3 |
1x3 |
|
2 u |
3 u |
3 u |
8 u |
The total number of red and brown marbles is the combined repeated identity.
Make the total number red and brown marbles the same.
LCM of 3 and 2 = 6
Brown : Blue
3 : 2
Answer(s): 3 : 2