Ben invests £4200 £4200\,£4200 for 3 years in a savings account. He gets 2.5% per annum compound interest.
Work out the total amount in the account after 3 years.
Practise Edexcel GCSE Maths Compound Interest and Depreciation with exam-style questions for Foundation and Higher tier. 44 questions, matched to the Edexcel GCSE Maths (1MA1) 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.