Mathematics, 01.07.2020 15:01 jamesk5671

In a test (+4) marks are given for every correct answers and (-3) marks are given for every incorrect answers 1) Tahiya answered all questions and scored 40 marks though she got 12 correct answers. 2) Helmin also answered all the questions and scored (-14) marks though he got 5 correct answers. How many incorrect answers had they attempted?

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In a test (+4) marks are given for every correct answers and (-3) marks are given for every incorrec...