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