PSLE A bag contains marbles of three different colours.
17 of the marbles are yellow. The ratio of the number of orange marbles to that of red marbles is 4 : 1. What is the ratio of the number of orange marbles to that of yellow marbles?
Yellow |
Orange |
Red |
Total |
1x5 |
6x5 |
7x5 |
|
4x6 |
1x6 |
|
5 u |
24 u |
6 u |
35 u |
The total number of red and orange marbles is the combined repeated identity.
Make the total number red and orange marbles the same.
LCM of 6 and 5 = 30
Orange : Yellow
24 : 5
Answer(s): 24 : 5