PSLE A bag contains coins of three different colours.
14 of the coins are red. The ratio of the number of green coins to that of orange coins is 4 : 5. What is the ratio of the number of green coins to that of red coins?
Red |
Green |
Orange |
Total |
1x3 |
3x3 |
4x3 |
|
4x1 |
5x1 |
|
3 u |
4 u |
5 u |
12 u |
The total number of orange and green coins is the combined repeated identity.
Make the total number orange and green coins the same.
LCM of 3 and 9 = 9
Green : Red
4 : 3
Answer(s): 4 : 3