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