Most whole objects have three thirds.
If you are talking about stomachs, ruminants, such as sheep, goats and cows are considered to have 4.
11 thirds
Four of them.
5
14 of them.
20 of them.
20
There are 45 thirds in fifteen.
Just the one
three thirds is a whole
There are 9 thirds in 3,
5 there are 5 thirds in 1 and 2/3....there are 3 thirds in the whole (1) and 2 in the 2/thirds
How many ninths equal two-thirds?