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Jayant gets 3 marks for each right sum and loses 2 marks for each wrong sum He attempts 30 sums and obtains 40 marks The number of sums attempted correctly is?
Updated: 9/18/2023
Wiki User
∙ 12y agoBest Answer
3x + 2(30-x) = 40
3x + 60 - 2x = 40
x = -20
Wiki User
∙ 12y agoThis answer is:
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Earn +20 ptsQ: Jayant gets 3 marks for each right sum and loses 2 marks for each wrong sum He attempts 30 sums and obtains 40 marks The number of sums attempted correctly is?
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