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