A person starts a savings plan. In the first week, they save £10. Each week, the amount they save increases by £2 until they reach a weekly savings amount of £30. They then continue to save £30 each week.
In which week does the savings amount first reach £30?
Find the total amount saved after exactly one year (52 weeks).
20 exam-style questions on Edexcel A Level Maths 3.8 Modelling with Series. Each one has a worked solution and a mark scheme showing where the marks go.