Answer:
ways.
Step-by-step explanation:
is the number of ways in which
distinct objects are selected from a pile of
distinct objects.
In our question,there are a total of
people.
So,
.
Given that three are selected at random.
So,
.
So,the answer is
ways.
The answer choice should be D
Answer:
so for each group just multiply the number of socks in each group to 5 and = s
so
1. s = 4x5
s = 20
Step-by-step explanation:
A. S/5; when S=20, the number of socks in each group is 4.