There are 192 items that are members of set U. Of these items, 49 are members of set B, 59 are not members of either of set A or set B, and 23 are members of both sets A and B. How many of the members of set U are members of set A ?	Choose the most appropriate option.
A) 72
B) 85
C) 107
D) 98
E) 108
You had the answer almost right. The x = 84 refers to ONLY set A.   However what's being asked is how many members are part of set A. This will include:   1. Only Set A   2. Set A and Set B   So the answer is Set A = 84+ Set AB = 84+23 = 17   107
<result>C</result>
There are 192 items that are members of set U. Of these items, 49 are members of set B, 59 are not members of either of set A or set B, and 23 are members of both sets A and B. How many of the members of set U are members of set A ?