PSLE A bag contains coins of three different colours.
14 of the coins are brown. The ratio of the number of yellow coins to that of green coins is 4 : 1. What is the ratio of the number of yellow coins to that of brown coins?
Brown |
Yellow |
Green |
Total |
1x5 |
3x5 |
4x5 |
|
4x3 |
1x3 |
|
5 u |
12 u |
3 u |
20 u |
The total number of green and yellow coins is the combined repeated identity.
Make the total number green and yellow coins the same.
LCM of 3 and 5 = 15
Yellow : Brown
12 : 5
Answer(s): 12 : 5