Sarah drives 260 miles from Cardiff to Manchester. She drives the first 140 miles at an average speed of 56 mph. From this point, it takes Sarah 1 hour and 30 minutes to complete her journey.
What was Sarah's average speed for the whole journey?
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.