Alex drives 280 miles from London to Newcastle.
She drives the first 220 miles at an average speed of 80 mph.
From this point it takes Alex 1 hour and 15 minutes to complete her journey.
What was Alex's average speed for the whole journey?
203 exam-style questions on Eduqas GCSE Maths Speed and Density. Each one has a worked solution and a mark scheme showing where the marks go.