Talking through 3 AMC 8 problems with my son

My son was working on the 1993 AMC 8 yesterday and had trouble with a few problems. Today we sat down and talked through those problem.

The first was problem 17:

Problem17

Here’s what my son had to say:

Next was problem 19:

Problem19

Here’s what he had to say about this problem:

Next was problem 24:

Problem24

Here’s what he had to say about this problem:

I like these old contest problems. They lead to really nice conversations!

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