All of them have 28 days in them, of course! Some have a few more, but they all have at least 28 days in them.
TwentyEight?
0.98 oz
2,800,000
nine
3 months?
There are 280 days in 9 months.
32 months & 26 days
3 months and 23 days.
There are five months in 148 days.
3 months and 4 days
It is 31 months and 23 days.
259 days = 8.509422 months