PSLE Fanny has a number of pencils in three colours: green, purple and orange.
14 of the pencils are green. The number of green pencils is twice the number of purple pencils. What fraction of the pencils is orange?
Green |
Purple |
Orange |
Total |
1x2 |
3x2 |
4x2 |
2x1 |
1x1 |
|
|
2 u |
1 u |
5 u |
8 u |
Number of green pencils is the repeated identity.
Make the number of green pencils the same.
LCM of 1 and 2 = 2
Number of orange pencils
= 8 u - 2 u - 1 u
= 5 u
Fraction of the pencils that is orange
=
58 Answer(s):
58