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Lesson 9: Analyzing relationships between variables

# Analyzing relationships between variables

Rava is studying an electric car. She finds out that the more she charges the car, the further it can go. The relationship is simple and direct: more charging time equals more distance. This helps her predict the car's range based on how long it's been charged. Created by Sal Khan.

## Want to join the conversation?

• i dont get it...
• I don't get why Sal doesn't also say you can divide k by t to get the number of K per t (when doing part 1).

If you're gaining 180km per 15 minutes of charging time, isn't it easier to just divide? From there you know Per minute (t) you are gaining 12km of range(k).
• reading the comment section is like watching a movie with idiots as the actors

i know everyone feels like one, that's why they go to the comments looking for people that help but that ain't me
• I don't get this
• I don't get this because this is hard and I'm just a 5th grader.