Question

3. Don sat for a test which had 60 questions. For every question that is answered correctly, 3 marks are awarded. For every question that is answered wrongly, 2 marks are deducted. For every question left blank, 1 mark is deducted. Don completed the test with 3 questions left blank. He scored 38 marks. How many questions did Don answer wrongly? TEST 100%

Name: 3 don sat for a test which had 60 questions for every question that is answered correctly 3 marks are awarded for every question that is answered wrongly 2 marks are deducted for every quest 37906
Uploaded: 2022-04-18T09:17:48-08:00
Duration: 1 min 28 s
Channel: Dr Harish Viswanathan
Description: 3 don sat for a test which had 60 questions for every question that is answered correctly 3 marks are awarded for every question that is answered wrongly 2 marks are deducted for every quest 37906

          3. Don sat for a test which had 60 questions.
For every question that is answered correctly, 3 marks are awarded.
For every question that is answered wrongly, 2 marks are deducted.
For every question left blank, 1 mark is deducted.
Don completed the test with 3 questions left blank.
He scored 38 marks.
How many questions did Don answer wrongly?
TEST
100%

3 don sat for a test which had 60 questions for every question that is answered correctly 3 marks are awarded for every question that is answered wrongly 2 marks are deducted for every quest 37906

Added by Lisa M.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Dr Harish Viswanathan

04/18/2022

Step 1

Let W be the number of questions answered wrongly. Let B be the number of questions left blank. From the problem statement, we have the following information: Total number of questions = 60 Marks for a correct answer = +3 Marks for a wrong answer = -2 Marks for a Show more…

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3. Don sat for a test which had 60 questions. For every question that is answered correctly, 3 marks are awarded. For every question that is answered wrongly, 2 marks are deducted. For every question left blank, 1 mark is deducted. Don completed the test with 3 questions left blank. He scored 38 marks. How many questions did Don answer wrongly? TEST 100%