GCSE Maths Practice: venn-diagrams

\( \begin{array}{l}\textbf{In a class of 120 students, 45 like physics, 55 like chemistry, and 30 like both.} \\ \text{What is the probability that a student likes either physics or chemistry?}\end{array} \)

Choose one option:

\( \frac{90}{120} \) \( \frac{70}{120} \) \( \frac{85}{120} \)