PSLE Xuan has a number of markers in three colours: orange, blue and yellow.
17 of the markers are orange. The number of orange markers is twice the number of blue markers. What fraction of the markers is yellow?
Orange |
Blue |
Yellow |
Total |
1x2 |
6x2 |
7x2 |
2x1 |
1x1 |
|
|
2 u |
1 u |
11 u |
14 u |
Number of orange markers is the repeated identity.
Make the number of orange markers the same.
LCM of 1 and 2 = 2
Number of yellow markers
= 14 u - 2 u - 1 u
= 11 u
Fraction of the markers that is yellow
=
1114 Answer(s):
1114