Entry Exam Category: High School Equivalency Exams
Course: General Education Development (GED)
Exam: GED Math practice test

Practice Question

A cyclist can travel 17.6 feet per second. The cyclist would have a better understanding of her speed if it were measured in miles per hour. Which of these completes the expression used to convert the speed of the cyclist to miles per hour?

Answer Choices

  • A: 1 hour/60 seconds = 1 mile/5,280 feet
  • B: 60 minutes/1 hour = 1 mile/5280 feet
  • C: 60 minutes/1 hour = 5280 feet/1 mile
  • D: 12 inches/1 foot = 60 minutes/1 hour

Correct Answer: C

Rationale: Speed = 17.6 ft/sec. Convert: (17.6 ft/sec) * (3600 sec/1 hr) * (1 mile/5280 ft) = 17.6 * 3600 / 5280 ? 12 mph. The correct conversion factor is 60 minutes/1 hour = 5280 feet/1 mile. Thus, the correct answer is 60 minutes/1 hour = 5280 feet/1 mile.

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