PSLE Emily has a number of markers in three colours: yellow, blue and brown.
23 of the markers are yellow. The number of yellow markers is four times the number of blue markers. What fraction of the markers is brown?
Yellow |
Blue |
Brown |
Total |
2x2 |
1x2 |
3x2 |
4x1 |
1x1 |
|
|
4 u |
1 u |
1 u |
6 u |
Number of yellow markers is the repeated identity.
Make the number of yellow markers the same.
LCM of 2 and 4 = 4
Number of brown markers
= 6 u - 4 u - 1 u
= 1 u
Fraction of the markers that is brown
=
16 Answer(s):
16