9. A boy got 3 marks for each correct answer and lost 2 marks for each incorrect answer.
He attended 17correct answers and obtained 37 marks. Find the number of incorrect
answers he has written.
Answers
Answered by
0
Answer:
17
Step-by-step explanation:
Given: he gets 3 marks for each correct answer and loses 2 marks for each incorrect sum. and he obtained 37 marks. x = 17. Therefore the number of correct sums = 17.
Answered by
6
Answer:
therefore the number of correct sum is 17.
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