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Estimating

Estimating

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Question 34

Eddie and Ellen use a calculator to work out k14.3+3.82\displaystyle \frac{k}{14.3 + 3.8^2}14.3+3.82k​

Eddie's answer is k40\displaystyle \frac{k}{40}40k​

Ellen's answer is k30\displaystyle \frac{k}{30}30k​

One of those answers is correct.

Use approximations to find out which answer is correct. Give your answer in terms of kkk.

[3]
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Estimating Questions

  1. GCSE
  2. /Maths
  3. /Estimating

247 exam-style questions on Eduqas GCSE Maths Estimating. Each one has a worked solution and a mark scheme showing where the marks go.

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