PSLE Archie kept files in boxes D and E. Box D contained twice as many files as box E. In box D,
13 of the files were purple files. In box E,
12 of the files were purple files. What fraction of Archie's files were purple files?
Box D |
Box E |
Total |
2x2x3 |
1x2x3 |
3x2x3 |
P |
Not purple |
P |
Not purple |
|
1x4 |
2x4 |
1x1x3 |
1x1x3 |
|
4 u |
8 u |
3 u |
3 u |
18 u |
LCM of 3 and 4 is 12.
Number of purple files
= 4 u + 3 u
= 7 u
Total number of files = 18 u
Fraction of Archie's files that were purple =
718 Answer(s):
718