You need to state units . - -13 of WHAT !
There are 19 13s in 250. 250/13 =19.23
In a whole, which is typically considered to be 1, there are 0.0769 (or 1/13) of a whole in one 13. Therefore, if you want to know how many 13s are in a whole, you would divide 1 by 13, resulting in approximately 0.0769. Thus, there is not a whole number of 13s in a whole.
465
There are three.
1 cup = 1 cup.1 cup = 1 cup.1 cup = 1 cup.1 cup = 1 cup.
The plural for thirteen is thirteens (13s). As in "they are in their thirteens".
That is about 1 cup
1/2 pint is 1 cup.
That is about 1 cup.
1 cup is 48 teaspoons 1 teaspoon is 0.02 cup
1 cup = 16 tablespoons 1 tablespoon = 0.06 cup
1 gill = 1/2 cup