David will be paid a salary of £28000 in 2022. Each year David will get a 4% pay rise, the first increase being in 2023, so that his annual salaries form a geometric sequence.
Find, to the nearest £100, David's salary in 2024.
Find, to the nearest £100, the total amount David will have earned from 2022 until he retires in 2041.
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.