A ferry travels from Dover to Calais at an average speed of 36 km/h. The crossing takes 1 hour and 45 minutes.
A second ferry takes 2 hours and 10 minutes for the same crossing.
Work out the average speed of the second ferry.
If the second ferry followed a different path across the channel, how could this affect your answer to part (a)?
52 exam-style questions on AQA GCSE Maths Speed and Density. Each one has a worked solution and a mark scheme showing where the marks go.