In a competition, 4 marks are given for every correct answer and 1 mark is deducted
for every incorrect answer and there are no marks for any un-attempted question.
Emma gets 28 marks for correct answers. If she gets total 24 marks, how many
questions she attempted?
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4 marks are given for every correct answer so she got 28 ÷4=7 correct answers and in total she got 24 that means she has done 4 mistakes so 4 is reduced that means in total 13 times she attempted.
13 is the ans
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