Difference between revisions of "User:Piphi/AoPS Wiki"

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__NOTOC__  __NOEDITSECTION__  <div class="frontlink" style="background-color:#1b365d; color:#ffffff; font-size: 110%; padding-left:15px; padding-right:15px; padding-bottom:10px;"> <span style="font-size: 200%">'''Welcome to Piphi's Wiki!'''</span>
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__NOTOC__  __NOEDITSECTION__  <div class="frontlink" style="background-color:#1b365d; color:#ffffff; font-size: 110%; padding-left:15px; padding-right:15px; padding-bottom:10px;-webkit-border-radius: 10px;"> <span style="font-size: 200%">'''Welcome to Piphi's Wiki!'''</span>
 
   
 
   
 
The Piphi Wiki project is administered by [[User:Piphi|<span style="color:#83a1d6;">the legendary piphi</span>]] for supporting educational content useful to avid math students.  
 
The Piphi Wiki project is administered by [[User:Piphi|<span style="color:#83a1d6;">the legendary piphi</span>]] for supporting educational content useful to avid math students.  

Revision as of 19:15, 29 May 2020

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?

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