PSLE A bag contains stickers of three different colours.
15 of the stickers are green. The ratio of the number of yellow stickers to that of purple stickers is 1 : 1. What is the ratio of the number of green stickers to that of purple stickers?
Green |
Yellow |
Purple |
Total |
1x1 |
4x1 |
5x1 |
|
1x2 |
1x2 |
|
1 u |
2 u |
2 u |
5 u |
The total number of purple and yellow stickers is the combined repeated identity.
Make the total number purple and yellow stickers the same.
LCM of 4 and 2 = 4
Green : Purple
1 : 2
Answer(s): 1 : 2