PSLE Owen kept files in boxes Y and Z. Box Y contained four times as many files as box Z. In box Y,
15 of the files were green files. In box Z,
12 of the files were green files. What fraction of Owen's files were green files?
Box Y |
Box Z |
Total |
4x2x5 |
1x2x5 |
5x2x5 |
G |
Not green |
G |
Not green |
|
1x8 |
4x8 |
1x1x5 |
1x1x5 |
|
8 u |
32 u |
5 u |
5 u |
50 u |
LCM of 5 and 8 is 40.
Number of green files
= 8 u + 5 u
= 13 u
Total number of files = 50 u
Fraction of Owen's files that were green =
1350 Answer(s):
1350