PSLE Raeann has a number of pencils in three colours: blue, red and green.
111 of the pencils are blue. The number of blue pencils is thrice the number of red pencils. What fraction of the pencils is green?
Blue |
Red |
Green |
Total |
1x3 |
10x3 |
11x3 |
3x1 |
1x1 |
|
|
3 u |
1 u |
29 u |
33 u |
Number of blue pencils is the repeated identity.
Make the number of blue pencils the same.
LCM of 1 and 3 = 3
Number of green pencils
= 33 u - 3 u - 1 u
= 29 u
Fraction of the pencils that is green
=
2933 Answer(s):
2933