IGCSE Maths / Ratios and percentages
Repeated percentage change revision notes
Edexcel International GCSE Maths (4MA1), chapter 2: Ratios and percentages, specification point 1.6a. Part of the full course.
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Repeated percentage change means applying more than one percentage change in sequence. Use a multiplier for each change, multiplying them together because each percentage is applied to the amount after the previous change.