15C3 = 455
There are four different groups of three, each of which can be arranged in six different ways so your answer is 24.
There are many different ways to divide the real number system into sub-groups. Perhaps the most obvious division is, positive numbers and negative numbers.
There are infinitely many different ways to make groups of fractions that sum to 1.
5 groups of 5. 25/5=5 ; 5 x 5 = 25.
different ways of living developed by native American groups
18 groups of 4
Slaves
15C3 = 455
-- 2 groups of 25 each -- 5 groups of 10 each
naturl resources
The food groups allow variety in a diet, with different ways to help the body function.
they divided ethinic groups and stuck other ethnic groups together
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There are many different ways you could divide 105 objects or people into groups. You could have one group of 105, or 2 groups of 52 and a half objects for example.
anthropologist and sociologists
an anthropologist