Questions: Which of the following best describes relations for the individual part of the exam? You may revise the individual part and earn half credit on the problems you missed back up to a maximum of 20 points. A student earns a score of 80/100 on the individual part of the exam. What is the maximum number of points the student can earn back from revisions? A student earns a score of 40/100 on the individual part of the exam. What is the maximum number of points the student can earn back from revisions?

Which of the following best describes relations for the individual part of the exam? You may revise the individual part and earn half credit on the problems you missed back up to a maximum of 20 points. A student earns a score of 80/100 on the individual part of the exam. What is the maximum number of points the student can earn back from revisions? A student earns a score of 40/100 on the individual part of the exam. What is the maximum number of points the student can earn back from revisions?
Transcript text: Which of the following best describes relations for the individual part of the exam? You may revise the individual part and earn half credit on the problems you missed back up to a maximum of 20 points. A student earns a score of 80/100 on the individual part of the exam. What is the maximum number of points the student can earn back from revisions? A student earns a score of 40/100 on the individual part of the exam. What is the maximum number of points the student can earn back from revisions?
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Solution

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Solution Steps

Step 1: Understand the revision policy

The revision policy states that a student can earn half credit on the problems they missed, up to a maximum of 20 points. This means that the maximum number of points a student can earn back from revisions is 20, regardless of their initial score.

Step 2: Calculate the maximum points a student can earn back for a score of 80/100
  • The student scored 80 out of 100, so they missed 20 points.
  • Half of the missed points is \( \frac{20}{2} = 10 \) points.
  • Since 10 points is less than the maximum of 20 points, the student can earn back 10 points.
Step 3: Calculate the maximum points a student can earn back for a score of 40/100
  • The student scored 40 out of 100, so they missed 60 points.
  • Half of the missed points is \( \frac{60}{2} = 30 \) points.
  • Since 30 points exceeds the maximum of 20 points, the student can only earn back 20 points.

Final Answer

For a score of 80/100: \( \boxed{10} \)
For a score of 40/100: \( \boxed{20} \)

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