Question

stella is taking a multiple choice test with a total of 20 points available. each question is worth exactly 2 points. what would be stellas test score (out of 20) if she got 2 questions wrong? what would be her score if she got ( x ) questions wrong?

answer attempt 1 out of 2

score with 2 questions wrong:

score with ( x ) questions wrong:

Explanation:

Step1: Find total number of questions

Total points = 20, each question is 2 points.
Number of questions = $\frac{20}{2} = 10$

Step2: Calculate points lost for 2 wrong questions

Each wrong question loses 2 points.
Points lost = $2 \times 2 = 4$

Step3: Calculate score for 2 wrong questions

Score = Total points - Points lost
$20 - 4 = 16$

Step4: Generalize for $x$ wrong questions

Points lost for $x$ questions = $2x$
Score = $20 - 2x$

Answer:

Score with 2 questions wrong: 16
Score with $x$ questions wrong: $20-2x$