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