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primary 6 | Maths
| Data Analysis
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There are 30 questions in a ratio quiz. For each correct answer, 3 marks is awarded. For every wrong answer 1 mark is deducted. Jake scored 38 marks for this quiz. How many questions did Jake answer correctly?
Date Posted: 4 years ago
Views: 658
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done
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if u take 27 x 5, u will get 135. After that, u need to minus 9 as she got 3 questions wrong
3 marks x 3 questions = 9 marks
3 marks x 3 questions = 9 marks
Date Posted:
4 years ago
Thank you!
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your steps are correct, except for the 3rd step. Instead of subtracting, you have to add cos the total marks lost is 4.
Date Posted:
4 years ago
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