GCSE Maths Practice: direct-proportion

Question 10 of 10

Calculate time for 6 workers to paint the wall.

\( \begin{array}{l}\text{If 3 workers paint a wall in 12 hours,} \\ \text{how long will it take 6 workers (working at the same rate)?}\end{array} \)

Choose one option:

Time × workers = constant.

Use inverse proportion: time × workers = constant.