PSLE Gem has a number of staplers in three colours: green, yellow and orange.
12 of the staplers are green. The number of green staplers is four times the number of yellow staplers. What fraction of the staplers is orange?
Green |
Yellow |
Orange |
Total |
1x4 |
1x4 |
2x4 |
4x1 |
1x1 |
|
|
4 u |
1 u |
3 u |
8 u |
Number of green staplers is the repeated identity.
Make the number of green 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