PSLE Tammy has a number of markers in three colours: brown, red and green.
611 of the markers are brown. The number of brown markers is twice the number of red markers. What fraction of the markers is green?
Brown |
Red |
Green |
Total |
6x1 |
5x1 |
11x1 |
2x3 |
1x3 |
|
|
6 u |
3 u |
2 u |
11 u |
Number of brown markers is the repeated identity.
Make the number of brown markers the same.
LCM of 6 and 2 = 6
Number of green markers
= 11 u - 6 u - 3 u
= 2 u
Fraction of the markers that is green
=
211 Answer(s):
211