PSLE Rachel has a number of pencils in three colours: orange, green and yellow.
14 of the pencils are orange. The number of orange pencils is four times the number of green pencils. What fraction of the pencils is yellow?
Orange |
Green |
Yellow |
Total |
1x4 |
3x4 |
4x4 |
4x1 |
1x1 |
|
|
4 u |
1 u |
11 u |
16 u |
Number of orange pencils is the repeated identity.
Make the number of orange pencils the same.
LCM of 1 and 4 = 4
Number of yellow pencils
= 16 u - 4 u - 1 u
= 11 u
Fraction of the pencils that is yellow
=
1116 Answer(s):
1116