Learn about and revise how to calculate percentages to solve real life problems, such as compound interest, with GCSE Bitesize AQA Maths.

Interest is defined as the cost of borrowing money or the rate paid on a deposit to an investor. It can be classified as simple interest or compound interest.

Learn about and revise how to calculate percentages to solve real life problems, such as compound interest, with this BBC Bitesize GCSE Edexcel guide.