2001 AMC 8 Favorite Problems

#20 – This is an example of one of my favorite types of problems that show up on the AMC 8.  It is essentially a logic problem.  I like to draw a diagram to help me decipher who goes where.  Here is my solution:

#24 – In my experience, this problem gives students as much trouble as any former AMC 8 problem.  I have found the best technique to solve it is to create an example that systematically uses the given information.

#25 – I have always thought this was a weird problem for the AMC 8.  You can use some logic to make it easier.

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