PSLE Jen has a number of staplers in three colours: orange, green and blue.
37 of the staplers are orange. The number of orange staplers is twice the number of green staplers. What fraction of the staplers is blue?
Orange |
Green |
Blue |
Total |
3x2 |
4x2 |
7x2 |
2x3 |
1x3 |
|
|
6 u |
3 u |
5 u |
14 u |
Number of orange staplers is the repeated identity.
Make the number of orange staplers the same.
LCM of 3 and 2 = 6
Number of blue staplers
= 14 u - 6 u - 3 u
= 5 u
Fraction of the staplers that is blue
=
514 Answer(s):
514