Mathematics, 07.07.2020 16:01 princesincer6630

In a Mathematics quiz, 20 problems were given. For each correct answer, 5 marks were awarded and for each incorrect answer,
2 marks were deducted. Siti scored 51 marks. How many correct
answers did she have?

Answers: 2

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In a Mathematics quiz, 20 problems were given. For each correct answer, 5 marks were awarded and fo...