Melvin invests £5000 in an account paying 2.5% compound interest per annum.
Charlie invests £4500 in an account paying 3% compound interest per annum.
Work out the difference between the amount of money Melvin has after 5 years and the amount of money Charlie has after 5 years.
11 exam-style questions on CIE IGCSE Maths Compound Interest and Depreciation. Each one has a worked solution and a mark scheme showing where the marks go.