If you purchased 5 apples for $2.99. what is the cost per apple?
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Answer:
Step-by-step explanation:
Given : The total number of programmers in the company = 30
The company wants to select a group of 6 programmers to work on a particular project.
Since the order of selecting them does not matters , therefore we use combinations.
The number of combinations of r things taken from n things is given by :-
here, n= 30 and r= 6
So the number of different ways to form they could select a group of 6 would be
i.e. Total ways =593775
In terms of factorials , the number of total ways to form they could select a group of 6 is .