PSLE Xavier kept notebooks in boxes T and U. Box T contained four times as many notebooks as box U. In box T,
15 of the notebooks were green notebooks. In box U,
13 of the notebooks were green notebooks. What fraction of Xavier's notebooks were green notebooks?
Box T |
Box U |
Total |
4x3x5 |
1x3x5 |
5x3x5 |
G |
Not green |
G |
Not green |
|
1x12 |
4x12 |
1x1x5 |
2x1x5 |
|
12 u |
48 u |
5 u |
10 u |
75 u |
LCM of 5 and 12 is 60.
Number of green notebooks
= 12 u + 5 u
= 17 u
Total number of notebooks = 75 u
Fraction of Xavier's notebooks that were green =
1775 Answer(s):
1775