PSLE Emily has a number of staplers in three colours: blue, green and purple.
12 of the staplers are blue. The number of blue staplers is twice the number of green staplers. What fraction of the staplers is purple?
Blue |
Green |
Purple |
Total |
1x2 |
1x2 |
2x2 |
2x1 |
1x1 |
|
|
2 u |
1 u |
1 u |
4 u |
Number of blue staplers is the repeated identity.
Make the number of blue staplers the same.
LCM of 1 and 2 = 2
Number of purple staplers
= 4 u - 2 u - 1 u
= 1 u
Fraction of the staplers that is purple
=
14 Answer(s):
14