PSLE A bag contains marbles of three different colours.
112 of the marbles are green. The ratio of the number of blue marbles to that of yellow marbles is 1 : 1. What is the ratio of the number of blue marbles to that of green marbles?
Green |
Blue |
Yellow |
Total |
1x2 |
11x2 |
12x2 |
|
1x11 |
1x11 |
|
2 u |
11 u |
11 u |
24 u |
The total number of yellow and blue marbles is the combined repeated identity.
Make the total number yellow and blue marbles the same.
LCM of 11 and 2 = 22
Blue : Green
11 : 2
Answer(s): 11 : 2