PSLE Carl kept pencils in boxes H and J. Box H contained twice as many pencils as box J. In box H,
13 of the pencils were yellow pencils. In box J,
12 of the pencils were yellow pencils. What fraction of Carl's pencils were yellow pencils?
Box H |
Box J |
Total |
2x2x3 |
1x2x3 |
3x2x3 |
Y |
Not yellow |
Y |
Not yellow |
|
1x4 |
2x4 |
1x1x3 |
1x1x3 |
|
4 u |
8 u |
3 u |
3 u |
18 u |
LCM of 3 and 4 is 12.
Number of yellow pencils
= 4 u + 3 u
= 7 u
Total number of pencils = 18 u
Fraction of Carl's pencils that were yellow =
718 Answer(s):
718