PSLE Opal has a number of markers in three colours: red, yellow and green.
111 of the markers are red. The number of red markers is thrice the number of yellow markers. What fraction of the markers is green?
Red |
Yellow |
Green |
Total |
1x3 |
10x3 |
11x3 |
3x1 |
1x1 |
|
|
3 u |
1 u |
29 u |
33 u |
Number of red markers is the repeated identity.
Make the number of red markers the same.
LCM of 1 and 3 = 3
Number of green markers
= 33 u - 3 u - 1 u
= 29 u
Fraction of the markers that is green
=
2933 Answer(s):
2933