Problem:
Joe had walked half way from home to school when he realized he was late. He ran the rest of the way to school. He ran times as fast as he walked. Joe took minutes to walk half way to school. How many minutes did it take Joe to get from home to school?
Answer Choices:
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Solution:
Covering the same distance three times as fast takes one-third the time. So Joe ran for minutes. His total time was minutes.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions