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In a Mathematics test,Alex got 80% of the question correct. He got 40 questions correct. Each question on the paper carried 3 marks. How many marks did he lose in that test ?​
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In a Mathematics test,Alex got 80% of the question correct. He got 40 questions correct. Each question on the paper carried 3 marks. How many marks did he lose in that test ?​

User Jonathan Hamel
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Answer: 30 marks lost

Step-by-step explanation: 80% = 40 question so 100% = 50 questions

he missed 10 of 50 so

10 x 3 = 30 marks

User Reukiodo
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