Of 32 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 7 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?
Choose the correct choice from the following answers:
A) 14
B) 13
C) 9
D) 7
E) 5
set A : people with more than 4 years exp   set B : people with degree   AUB = total - (less than 4 exp and no degree)   AUB = 32-7= 
<gadget id="calculator">32-7</gadget>
<output>25</output>
25   AUB= A + B - AiB   AiB = 18+14-25= 
<gadget id="calculator">18+14-25</gadget>
<output>7</output>
7   Answer 7
<result>D</result>
Of 32 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 7 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years' experience and a degree?