PSAT Math Multiple-Choice Question 206: Answer and Explanation

Question: 206

If the scale factor of the drawing is one-eighth, about how long in inches should the student draw the femur?

• A. 2
• B. 2.5
• C. 2.8
• D. 3

Correct Answer: B

Explanation:

B

Difficulty: Easy

Category: Problem Solving and Data Analysis/Rates, Ratios, Proportions, and Percents

Getting to the Answer: When a question involves scale factors, set up a proportion and solve for the missing value:

Choice (B) is correct.