## Exam-Style Question on Percentages## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 537. This question is similar to one that appeared on a GCSE Higher paper in 2019. The use of a calculator is allowed.

Zoe invests £5000 in an account for one year. At the end of the year, interest is added to her account.

Zoe pays tax on this interest at a rate of 25%. After the tax has been taken off she received £25.40 interest.

Work out the percentage interest rate for the account.

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Here is a self-checking interactive exercise called Percentages.

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