Priya drives 320 miles from London to Newcastle.
She drives the first 275 miles at an average speed of 100 mph.
From this point it takes Priya 1 hour and 15 minutes to complete her journey.
What was Priya's average speed for the whole journey?
203 exam-style questions on OCR GCSE Maths Speed and Density. Each one has a worked solution and a mark scheme showing where the marks go.