PSAT Math Multiple-Choice Question 272: Answer and Explanation

Question: 272

A customer receives a cell phone charge for an international phone call that cost $49. The customer doesn’t remember how long the call was but he sees that the service charged him $2.45 per minute. Based upon his notice, how long was the phone call?

• A. 25 minutes
• B. 15 minutes
• C. 20 minutes
• D. 10 minutes

Correct Answer: C

Explanation:

The phone call was 20 minutes because $49 ÷ $2.45 per minute = 20 minutes. See Lesson: Solving Real-World Mathematical Problems.