PSLE Winnie has a number of markers in three colours: blue, orange and yellow.
12 of the markers are blue. The number of blue markers is twice the number of orange markers. What fraction of the markers is yellow?
Blue |
Orange |
Yellow |
Total |
1x2 |
1x2 |
2x2 |
2x1 |
1x1 |
|
|
2 u |
1 u |
1 u |
4 u |
Number of blue markers is the repeated identity.
Make the number of blue markers the same.
LCM of 1 and 2 = 2
Number of yellow markers
= 4 u - 2 u - 1 u
= 1 u
Fraction of the markers that is yellow
=
14 Answer(s):
14