GCSE Maths Practice: inverse-proportion

\( \begin{array}{l} \text{A printer can finish 60 pages in 12 minutes.} \\ \text{How long would it take to finish 180 pages at triple speed?} \end{array} \)

Choose one option:

\( \text{12 minutes} \) \( \text{6 minutes} \) \( \text{9 minutes} \) \( \text{15 minutes} \)