PSLE Oliver kept notebooks in boxes D and E. Box D contained twice as many notebooks as box E. In box D,
15 of the notebooks were orange notebooks. In box E,
14 of the notebooks were orange notebooks. What fraction of Oliver's notebooks were orange notebooks?
Box D |
Box E |
Total |
2x4x5 |
1x4x5 |
3x4x5 |
O |
Not orange |
O |
Not orange |
|
1x8 |
4x8 |
1x1x5 |
3x1x5 |
|
8 u |
32 u |
5 u |
15 u |
60 u |
LCM of 5 and 8 is 40.
Number of orange notebooks
= 8 u + 5 u
= 13 u
Total number of notebooks = 60 u
Fraction of Oliver's notebooks that were orange =
1360 Answer(s):
1360