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).
Practise Edexcel A Level Maths 3.8 Modelling with Series with exam-style questions for A Level Maths. 24 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.