PSLE Sabrina has a number of markers in three colours: purple, blue and green.
29 of the markers are purple. The number of purple markers is thrice the number of blue markers. What fraction of the markers is green?
Purple |
Blue |
Green |
Total |
2x3 |
7x3 |
9x3 |
3x2 |
1x2 |
|
|
6 u |
2 u |
19 u |
27 u |
Number of purple markers is the repeated identity.
Make the number of purple markers the same.
LCM of 2 and 3 = 6
Number of green markers
= 27 u - 6 u - 2 u
= 19 u
Fraction of the markers that is green
=
1927 Answer(s):
1927