PSLE Kylie has a number of staplers in three colours: purple, orange and blue.
27 of the staplers are purple. The number of purple staplers is four times the number of orange staplers. What fraction of the staplers is blue?
Purple |
Orange |
Blue |
Total |
2x2 |
5x2 |
7x2 |
4x1 |
1x1 |
|
|
4 u |
1 u |
9 u |
14 u |
Number of purple staplers is the repeated identity.
Make the number of purple staplers the same.
LCM of 2 and 4 = 4
Number of blue staplers
= 14 u - 4 u - 1 u
= 9 u
Fraction of the staplers that is blue
=
914 Answer(s):
914