PSLE Kylie has a number of files in three colours: brown, red and green.
58 of the files are brown. The number of brown files is twice the number of red files. What fraction of the files is green?
Brown |
Red |
Green |
Total |
5x2 |
3x2 |
8x2 |
2x5 |
1x5 |
|
|
10 u |
5 u |
1 u |
16 u |
Number of brown files is the repeated identity.
Make the number of brown files the same.
LCM of 5 and 2 = 10
Number of green files
= 16 u - 10 u - 5 u
= 1 u
Fraction of the files that is green
=
116 Answer(s):
116