GCSE Maths (AQA)

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Comparing Two Values as a Percentage

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Ratio, Proportion and Rates of Change Ratio, Proportion and Rates of Change

Comparing Two Values as a Percentage

4:52 Using Percentages
Spec R9
Previous Percentages & Fractions Next Percentage of a Value
  • A number can be written as a percentage of another number
  • Percentage can be found by converting the proportion from a decimal or fraction
  • Decimal method: divide the wanted quantity by the total available amount, then multiply by 100
  • Fraction method: scale the fraction so that the denominator is 100
  • Example 1: Find 100 as a percentage of 64 using the decimal method
  • Example 2: Calculate Jason's score as a percentage (45 out of 75) using the fraction method

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