PSLE A bag contains coins of three different colours.
14 of the coins are blue. The ratio of the number of green coins to that of yellow coins is 5 : 3. What is the ratio of the number of blue coins to that of yellow coins?
Blue |
Green |
Yellow |
Total |
1x8 |
3x8 |
4x8 |
|
5x3 |
3x3 |
|
8 u |
15 u |
9 u |
32 u |
The total number of yellow and green coins is the combined repeated identity.
Make the total number yellow and green coins the same.
LCM of 3 and 8 = 24
Blue : Yellow
8 : 9
Answer(s): 8 : 9