Prague and Vienna are 254 kilometres apart.
Prague has the same local time as Vienna.
A train departs from Prague at 15 20 and reaches Vienna at 19 50 on the same day.
(main)[2]
Calculate the train's average speed.
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$56.4$ or $56.44\ldots$” …