PSLE A bag contains marbles of three different colours.
16 of the marbles are orange. The ratio of the number of brown marbles to that of red marbles is 1 : 7. What is the ratio of the number of brown marbles to that of orange marbles?
Orange |
Brown |
Red |
Total |
1x8 |
5x8 |
6x8 |
|
1x5 |
7x5 |
|
8 u |
5 u |
35 u |
48 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 5 and 8 = 40
Brown : Orange
5 : 8
Answer(s): 5 : 8