Mathematics, 21.08.2019 06:20, mnrtunes

Desmond's gcse maths exam is next week. as part of his revision he attempted 31
questions on his least favourite topic of percentages. he got 21 questions fully right on the first attempt. two days later he tried all 31 questions again and this time got
29 correct.
what is the percentage improvement in desmond's results?

Answers: 1

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Desmond's gcse maths exam is next week. as part of his revision he attempted 31
questions on h...