(a)[2]
Work out the cyclist’s average speed for the second stage, $BC$.
(b)[1]
A bus has an average speed of $20\,\text{km h}^{-1}$. Work out how long the bus needs to cover $50\,\text{km}$.
Mathematics 4024 · O Level · Graphs in practical situations
Graphs in practical situations — practice question
The diagram gives the cyclist’s distance-time graph for the opening two stages of a race, $AB$ and $BC$.