PSLE A bag contains coins of three different colours.
16 of the coins are blue. The ratio of the number of yellow coins to that of orange coins is 3 : 5. What is the ratio of the number of blue coins to that of orange coins?
Blue |
Yellow |
Orange |
Total |
1x8 |
5x8 |
6x8 |
|
3x5 |
5x5 |
|
8 u |
15 u |
25 u |
48 u |
The total number of orange and yellow coins is the combined repeated identity.
Make the total number orange and yellow coins the same.
LCM of 5 and 8 = 40
Blue : Orange
8 : 25
Answer(s): 8 : 25