PSLE A bag contains marbles of three different colours.
110 of the marbles are green. The ratio of the number of yellow marbles to that of red marbles is 1 : 4. What is the ratio of the number of yellow marbles to that of green marbles?
Green |
Yellow |
Red |
Total |
1x5 |
9x5 |
10x5 |
|
1x9 |
4x9 |
|
5 u |
9 u |
36 u |
50 u |
The total number of red and yellow marbles is the combined repeated identity.
Make the total number red and yellow marbles the same.
LCM of 9 and 5 = 45
Yellow : Green
9 : 5
Answer(s): 9 : 5