GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Compound Interest - Explained

The video tutorial explains how to compare investment options between two banks using compound interest calculations. Anil wants to invest £25,000 for three years, and the video demonstrates how to calculate the final amounts for both the Personal Bank, with a 2% annual interest rate, and the Secure Bank, with varying rates of 4.3% for the first year and 0.9% for subsequent years. The tutorial concludes that the Secure Bank offers a better return. It also provides insights into the allocation of marks for solving such problems and emphasizes the efficiency of using percentage multipliers for compound interest calculations.

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