In a test,correct answers carry +3 marks and wrong answers carry -1 marks.Ramesh answered all the questions.He scored 79 marks,though he maked 5 mistakes.Find the number of correct answers?

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Onoria asked Jun 20, 2022

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In a test,correct answers carry +3 marks and wrong answers carry -1 marks.Ramesh answered all the questions.He scored 79 marks,though he maked 5 mistakes.Find the number of correct answers?

Mathematics
high-school

Onoria asked Jun 20, 2022

by Onoria

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1 Answer

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Explanation:

let wrong answers be y

let right answer be x

3x-1y=79

find another equation

Rjd answered Jun 26, 2022

by Rjd

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