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