PSLE A bag contains stickers of three different colours.
110 of the stickers are blue. The ratio of the number of purple stickers to that of yellow stickers is 2 : 1. What is the ratio of the number of purple stickers to that of blue stickers?
Blue |
Purple |
Yellow |
Total |
1x1 |
9x1 |
10x1 |
|
2x3 |
1x3 |
|
1 u |
6 u |
3 u |
10 u |
The total number of yellow and purple stickers is the combined repeated identity.
Make the total number yellow and purple stickers the same.
LCM of 9 and 3 = 9
Purple : Blue
6 : 1
Answer(s): 6 : 1