PSLE Gillian has a number of staplers in three colours: brown, green and orange.
12 of the staplers are brown. The number of brown staplers is four times the number of green staplers. What fraction of the staplers is orange?
Brown |
Green |
Orange |
Total |
1x4 |
1x4 |
2x4 |
4x1 |
1x1 |
|
|
4 u |
1 u |
3 u |
8 u |
Number of brown staplers is the repeated identity.
Make the number of brown staplers the same.
LCM of 1 and 4 = 4
Number of orange staplers
= 8 u - 4 u - 1 u
= 3 u
Fraction of the staplers that is orange
=
38 Answer(s):
38