avan123455 avan123455

10-03-2022
Mathematics

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In a maths competition each correct answer gets 3 marks, but one mark is deducted for each incorrect answer.
Grace answers all 30 questions that are on the test and scores 30 marks. How many questions did she get wrong?

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merowhh merowhh

10-03-2022

Grace got 20 questions wrong.

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