PSLE Vanessa has a number of notebooks in three colours: yellow, purple and orange.
17 of the notebooks are yellow. The number of yellow notebooks is twice the number of purple notebooks. What fraction of the notebooks is orange?
Yellow |
Purple |
Orange |
Total |
1x2 |
6x2 |
7x2 |
2x1 |
1x1 |
|
|
2 u |
1 u |
11 u |
14 u |
Number of yellow notebooks is the repeated identity.
Make the number of yellow notebooks the same.
LCM of 1 and 2 = 2
Number of orange notebooks
= 14 u - 2 u - 1 u
= 11 u
Fraction of the notebooks that is orange
=
1114 Answer(s):
1114