PSLE Ian kept files in boxes B and C. Box B contained four times as many files as box C. In box B,
14 of the files were green files. In box C,
12 of the files were green files. What fraction of Ian's files were green files?
Box B |
Box C |
Total |
4x2x1 |
1x2x1 |
5x2x1 |
G |
Not green |
G |
Not green |
|
1x2 |
3x2 |
1x1x1 |
1x1x1 |
|
2 u |
6 u |
1 u |
1 u |
10 u |
LCM of 4 and 8 is 8.
Number of green files
= 2 u + 1 u
= 3 u
Total number of files = 10 u
Fraction of Ian's files that were green =
310 Answer(s):
310