Sophie will be paid a salary of £35000 in 2018. Each year Sophie will get a 3% pay rise, the first increase being in 2019, so that her salaries form a geometric sequence.
Find, to the nearest £100, Sophie's salary in 2020.
Find, to the nearest £100, the total amount Sophie will have earned from 2018 until she retires in 2037.
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.