This introduction covers The Sale Discount within Percentage Decrease for GCSE Mathematics. Revise Percentage Decrease in Ratio & Proportion for GCSE Mathematics with 12 exam-style questions and 22 flashcards. Use this page as part of a wider topic revision path rather than treating it as an isolated fact. It is section 1 of 6 in this topic. Use this introduction to connect the idea to the wider topic before moving on to questions and flashcards.
💸 The Sale Discount
Maya sees a laptop priced at £800 with a 25% discount. How much will she pay?
This is a percentage decrease problem - we need to find the new amount after a reduction. Whether it's discounts, depreciation, or population decline, the multiplier method makes these calculations quick and accurate.
Practice questions for Percentage Decrease
What multiplier is used to decrease a value by 35%?
A shop advertises '25% off everything'. A student says: 'The multiplier is 0.25 because 25% = 0.25.' Explain what is wrong with the student's reasoning and state the correct multiplier.