PSLE A bag contains cards of three different colours.
13 of the cards are orange. The ratio of the number of brown cards to that of yellow cards is 5 : 1. What is the ratio of the number of brown cards to that of orange cards?
Orange |
Brown |
Yellow |
Total |
1x3 |
2x3 |
3x3 |
|
5x1 |
1x1 |
|
3 u |
5 u |
1 u |
9 u |
The total number of yellow and brown cards is the combined repeated identity.
Make the total number yellow and brown cards the same.
LCM of 2 and 6 = 6
Brown : Orange
5 : 3
Answer(s): 5 : 3