PSLE A bag contains marbles of three different colours.
17 of the marbles are brown. The ratio of the number of yellow marbles to that of green marbles is 1 : 8. What is the ratio of the number of brown marbles to that of green marbles?
Brown |
Yellow |
Green |
Total |
1x3 |
6x3 |
7x3 |
|
1x2 |
8x2 |
|
3 u |
2 u |
16 u |
21 u |
The total number of green and yellow marbles is the combined repeated identity.
Make the total number green and yellow marbles the same.
LCM of 6 and 9 = 18
Brown : Green
3 : 16
Answer(s): 3 : 16