PSLE A bag contains coins of three different colours.
19 of the coins are yellow. The ratio of the number of orange coins to that of brown coins is 2 : 1. What is the ratio of the number of orange coins to that of yellow coins?
Yellow |
Orange |
Brown |
Total |
1x3 |
8x3 |
9x3 |
|
2x8 |
1x8 |
|
3 u |
16 u |
8 u |
27 u |
The total number of brown and orange coins is the combined repeated identity.
Make the total number brown and orange coins the same.
LCM of 8 and 3 = 24
Orange : Yellow
16 : 3
Answer(s): 16 : 3