PSLE Fanny has a number of notebooks in three colours: green, orange and yellow.
14 of the notebooks are green. The number of green notebooks is twice the number of orange notebooks. What fraction of the notebooks is yellow?
Green |
Orange |
Yellow |
Total |
1x2 |
3x2 |
4x2 |
2x1 |
1x1 |
|
|
2 u |
1 u |
5 u |
8 u |
Number of green notebooks is the repeated identity.
Make the number of green notebooks the same.
LCM of 1 and 2 = 2
Number of yellow notebooks
= 8 u - 2 u - 1 u
= 5 u
Fraction of the notebooks that is yellow
=
58 Answer(s):
58