PSLE Roshel has a number of pencils in three colours: orange, yellow and brown.
311 of the pencils are orange. The number of orange pencils is four times the number of yellow pencils. What fraction of the pencils is brown?
Orange |
Yellow |
Brown |
Total |
3x4 |
8x4 |
11x4 |
4x3 |
1x3 |
|
|
12 u |
3 u |
29 u |
44 u |
Number of orange pencils is the repeated identity.
Make the number of orange pencils the same.
LCM of 3 and 4 = 12
Number of brown pencils
= 44 u - 12 u - 3 u
= 29 u
Fraction of the pencils that is brown
=
2944 Answer(s):
2944