PSLE Vincent kept pencils in boxes A and B. Box A contained four times as many pencils as box B. In box A,
15 of the pencils were pink pencils. In box B,
13 of the pencils were pink pencils. What fraction of Vincent's pencils were pink pencils?
Box A |
Box B |
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 pencils
= 12 u + 5 u
= 17 u
Total number of pencils = 75 u
Fraction of Vincent's pencils that were pink =
1775 Answer(s):
1775