PSLE A bag contains coins of three different colours.
17 of the coins are brown. The ratio of the number of orange coins to that of blue coins is 2 : 1. What is the ratio of the number of orange coins to that of brown coins?
Brown |
Orange |
Blue |
Total |
1x1 |
6x1 |
7x1 |
|
2x2 |
1x2 |
|
1 u |
4 u |
2 u |
7 u |
The total number of blue and orange coins is the combined repeated identity.
Make the total number blue and orange coins the same.
LCM of 6 and 3 = 6
Orange : Brown
4 : 1
Answer(s): 4 : 1