PSLE A bag contains marbles of three different colours.
14 of the marbles are brown. The ratio of the number of green marbles to that of blue marbles is 4 : 1. What is the ratio of the number of green marbles to that of brown marbles?
Brown |
Green |
Blue |
Total |
1x5 |
3x5 |
4x5 |
|
4x3 |
1x3 |
|
5 u |
12 u |
3 u |
20 u |
The total number of blue and green marbles is the combined repeated identity.
Make the total number blue and green marbles the same.
LCM of 3 and 5 = 15
Green : Brown
12 : 5
Answer(s): 12 : 5