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