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