PSLE A bag contains cards of three different colours.
16 of the cards are green. The ratio of the number of orange cards to that of yellow cards is 1 : 7. What is the ratio of the number of orange cards to that of green cards?
Green |
Orange |
Yellow |
Total |
1x8 |
5x8 |
6x8 |
|
1x5 |
7x5 |
|
8 u |
5 u |
35 u |
48 u |
The total number of yellow and orange cards is the combined repeated identity.
Make the total number yellow and orange cards the same.
LCM of 5 and 8 = 40
Orange : Green
5 : 8
Answer(s): 5 : 8