GCSE Maths Practice: venn-diagrams

\( \begin{array}{l}\textbf{In a class of 30 students, 12 like swimming, 18 like tennis, and 8 like both.} \\ \text{What is the probability that a student likes swimming or tennis?}\end{array} \)

Choose one option:

\( \frac{22}{30} \) \( \frac{18}{30} \) \( \frac{20}{30} \)