PSLE Perry kept pencils in boxes Q and R. Box Q contained four times as many pencils as box R. In box Q,
15 of the pencils were green pencils. In box R,
14 of the pencils were green pencils. What fraction of Perry's pencils were green pencils?
Box Q |
Box R |
Total |
4x4x5 |
1x4x5 |
5x4x5 |
G |
Not green |
G |
Not green |
|
1x16 |
4x16 |
1x1x5 |
3x1x5 |
|
16 u |
64 u |
5 u |
15 u |
100 u |
LCM of 5 and 16 is 80.
Number of green pencils
= 16 u + 5 u
= 21 u
Total number of pencils = 100 u
Fraction of Perry's pencils that were green =
21100 Answer(s):
21100