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Ratio

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Question 3
55%

Sarah has 320 marbles. The marbles are either red, blue, green or white.

25% of the marbles are red.

38\displaystyle \frac{3}{8}83​ of the marbles are blue.

The ratio of green marbles to white marbles is 3:23:23:2.

Work out the number of green marbles Sarah has.

[4]
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Ratio Questions

  1. GCSE
  2. /Maths
  3. /Ratio

93 exam-style questions on OCR GCSE Maths Ratio. Each one has a worked solution and a mark scheme showing where the marks go.

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