PSLE A bag contains stickers of three different colours.
13 of the stickers are purple. The ratio of the number of yellow stickers to that of blue stickers is 2 : 3. What is the ratio of the number of purple stickers to that of blue stickers?
Purple |
Yellow |
Blue |
Total |
1x5 |
2x5 |
3x5 |
|
2x2 |
3x2 |
|
5 u |
4 u |
6 u |
15 u |
The total number of blue and yellow stickers is the combined repeated identity.
Make the total number blue and yellow stickers the same.
LCM of 2 and 5 = 10
Purple : Blue
5 : 6
Answer(s): 5 : 6