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

The video tutorial explains a reverse percentage problem involving the sale of a house. Jerry sold his house to Mia at a 20% profit. Mia later sold it at a 10% loss for £162,000. The tutorial demonstrates how to calculate the original price Jerry paid by first determining Mia's purchase price using reverse percentages, then calculating Jerry's original purchase price. The problem is broken down into steps, with explanations on how marks are awarded for each part of the solution.

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