PSLE Sabrina has a number of staplers in three colours: green, purple and red.
14 of the staplers are green. The number of green staplers is four times the number of purple staplers. What fraction of the staplers is red?
Green |
Purple |
Red |
Total |
1x4 |
3x4 |
4x4 |
4x1 |
1x1 |
|
|
4 u |
1 u |
11 u |
16 u |
Number of green staplers is the repeated identity.
Make the number of green staplers the same.
LCM of 1 and 4 = 4
Number of red staplers
= 16 u - 4 u - 1 u
= 11 u
Fraction of the staplers that is red
=
1116 Answer(s):
1116