Math, asked by rithvika50, 6 months ago

Aidan is doing a multiple choice test with 20 questions. He scores 3 marks for a correct answer and loses 1 mark if the answer is incorrect. Aidan answers all the questions and scores 40 marks. How many questions has he answered correctly? pls ans the question with steps

Answers

Answered by virendray619

3

Answer:

answer of this I don't know

Answered by 22ok33

0

Answer:

15

Step-by-step explanation:

Let x = number of questions Michael got right

therefore, 20 - x = number of incorrect answers

3x - (20 - x) = 40

4x - 20 = 40

x = 40+20/4

ANSWER: 15

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