PSLE Raeann has a number of markers in three colours: brown, purple and green.
211 of the markers are brown. The number of brown markers is thrice the number of purple markers. What fraction of the markers is green?
Brown |
Purple |
Green |
Total |
2x3 |
9x3 |
11x3 |
3x2 |
1x2 |
|
|
6 u |
2 u |
25 u |
33 u |
Number of brown markers is the repeated identity.
Make the number of brown markers the same.
LCM of 2 and 3 = 6
Number of green markers
= 33 u - 6 u - 2 u
= 25 u
Fraction of the markers that is green
=
2533 Answer(s):
2533