PSLE A bag contains stickers of three different colours.
19 of the stickers are orange. The ratio of the number of yellow stickers to that of purple stickers is 1 : 1. What is the ratio of the number of yellow stickers to that of orange stickers?
Orange |
Yellow |
Purple |
Total |
1x1 |
8x1 |
9x1 |
|
1x4 |
1x4 |
|
1 u |
4 u |
4 u |
9 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 8 and 2 = 8
Yellow : Orange
4 : 1
Answer(s): 4 : 1