OCR GCSE Combined Science B · J260
Specification M1 · Biology, Chemistry, Physics, Combined Science
Revise: Arithmetic and Numerical ComputationTo find a percentage of an amount, multiply by the percentage divided by 100.
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GCSE Combined Science · key term
A proportion expressed out of 100. For example, .
Specification M1 · Biology, Chemistry, Physics, Combined Science
Revise: Arithmetic and Numerical ComputationTo find a percentage of an amount, multiply by the percentage divided by 100.
Use the original value as the denominator when calculating percentage change.
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