PSLE Sarah has a number of staplers in three colours: green, purple and blue.
23 of the staplers are green. The number of green staplers is four times the number of purple staplers. What fraction of the staplers is blue?
Green |
Purple |
Blue |
Total |
2x2 |
1x2 |
3x2 |
4x1 |
1x1 |
|
|
4 u |
1 u |
1 u |
6 u |
Number of green staplers is the repeated identity.
Make the number of green staplers the same.
LCM of 2 and 4 = 4
Number of blue staplers
= 6 u - 4 u - 1 u
= 1 u
Fraction of the staplers that is blue
=
16 Answer(s):
16