PSLE Marion has a number of pencils in three colours: yellow, blue and orange.
37 of the pencils are yellow. The number of yellow pencils is twice the number of blue pencils. What fraction of the pencils is orange?
Yellow |
Blue |
Orange |
Total |
3x2 |
4x2 |
7x2 |
2x3 |
1x3 |
|
|
6 u |
3 u |
5 u |
14 u |
Number of yellow pencils is the repeated identity.
Make the number of yellow pencils the same.
LCM of 3 and 2 = 6
Number of orange pencils
= 14 u - 6 u - 3 u
= 5 u
Fraction of the pencils that is orange
=
514 Answer(s):
514