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