PSLE Cindy has a number of markers in three colours: brown, purple and green.
17 of the markers are brown. The number of brown markers is twice the number of purple markers. What fraction of the markers is green?
Brown |
Purple |
Green |
Total |
1x2 |
6x2 |
7x2 |
2x1 |
1x1 |
|
|
2 u |
1 u |
11 u |
14 u |
Number of brown markers is the repeated identity.
Make the number of brown markers the same.
LCM of 1 and 2 = 2
Number of green markers
= 14 u - 2 u - 1 u
= 11 u
Fraction of the markers that is green
=
1114 Answer(s):
1114