PSLE Sabrina has a number of notebooks in three colours: green, brown and purple.
14 of the notebooks are green. The number of green notebooks is four times the number of brown notebooks. What fraction of the notebooks is purple?
Green |
Brown |
Purple |
Total |
1x4 |
3x4 |
4x4 |
4x1 |
1x1 |
|
|
4 u |
1 u |
11 u |
16 u |
Number of green notebooks is the repeated identity.
Make the number of green notebooks the same.
LCM of 1 and 4 = 4
Number of purple notebooks
= 16 u - 4 u - 1 u
= 11 u
Fraction of the notebooks that is purple
=
1116 Answer(s):
1116