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