SOLUTION: Let S be the universal set, where: S = { 1 , 2 , 3 , ... , 18 , 19 , 20 } Let sets A and B be subsets of S , where: Set A = { 1 , 3 ,

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Question 1132654: Let
S
be the universal set, where:
S
=
{
1
,
2
,
3
,
...
,
18
,
19
,
20
}
Let sets
A
and
B
be subsets of
S
, where:
Set
A
=
{
1
,
3
,
4
,
7
,
9
,
10
,
13
,
18
,
19
}

Set
B
=
{
2
,
3
,
5
,
7
,
8
,
9
,
11
,
13
,
14
,
16
,
18
,
19
,
20

Find the following:
The number of elements in the set (
A

B
c
):
n
(
A

B
c
)
=

The number of elements in the set (
B

A
c
):
n
(
B

A
c
)
is


Answer by ikleyn(52780)   (Show Source): You can put this solution on YOUR website!
.

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