Suppose you have sets \(A\) and \(B\) with \(\card{A} = 10\) and \(\card{B} = 15\text{.}\)
What is the largest possible value for \(\card{A \cap B}\text{?}\)
What is the smallest possible value for \(\card{A \cap B}\text{?}\)
What are the possible values for \(\card{A \cup B}\text{?}\)