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