Posted by **cassie** on Sunday, February 20, 2011 at 10:11pm.

Find A B, given A = {people who are less than 20 years old} and

12)

______

A)

{all people in the world}

B)

{people who are less than 20 years old and people who have a job}

C)

{people who are less than 20 years old or people who have a job}

D)

{people who are less than 20 years old and have a job}

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