Middle School Math

[ZeeJustin]

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Ugh. If I was explaining to a remedial middle school student, I wouldn't define a function of time and solve for t.

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QFT. Leave the equations out.

I would phrase it like this to the student:

The first step is figuring how long they walked for. We know they are going 20 meters, so all we need is speed. Since they are starting and stopping at the same time, we can just combine their speeds and treat them as one person. Their total speed would be 4.5mps. So how long does it take to go 20 meters if you are going 4.5mps?

Once you know how long they are walking for you can treat the second part like a whole new problem.

Using the time, figure out how far mike walked, and that's the distance from his house.