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Direct and Inverse Proportion

Direct and Inverse Proportion

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Question 18

The weight of a piece of wire (w w\,w grams) is directly proportional to its length (l l\,l cm).

w w\,w is given by the formula: w=15lw = 15lw=15l

(a) Write down the equation you need to solve.

(b) Hence find the length of a wire weighing 60 grams.

[3]
Markscheme

Direct and Inverse Proportion Questions

  1. GCSE
  2. /Maths
  3. /Direct and Inverse Proportion

189 exam-style questions on OCR GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.

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