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During AMC 10/12 testing week, the AoPS Wiki is in read-only mode. No edits can be made.  
 
During AMC 10/12 testing week, the AoPS Wiki is in read-only mode. No edits can be made.  
 
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Latest revision as of 14:05, 15 November 2023

During AMC 10/12 testing week, the AoPS Wiki is in read-only mode. No edits can be made.

Problem of the Week

2013 AMC 8, Problem 7

Trey and his mom stopped at a railroad crossing to let a train pass. As the train began to pass, Trey counted 6 cars in the first 10 seconds. It took the train 2 minutes and 45 seconds to clear the crossing at a constant speed. Which of the following was the most likely number of cars in the train?

New to the AoPS Wiki?

If you don't know much about how to edit a wiki, you might want to read the tutorial and the help files. You can also read what AoPSWiki is not. Lastly, please read the policies of the AoPSWiki before editing, and why AoPSWiki is different from other online resources.

AoPSWiki runs on the MediaWiki software.