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ACT® · Math: The Modeling Overlay

The Modeling Reporting Category and Its Double Counting

Watch it explained

  1. How it worksHow does a modeling item differ from a plain computation item built on the same arithmetic?
  2. Common mistakeWhy isn't Modeling a separate section you can sit down and study on its own?
  3. Worked exampleFind what the 12 and the 0.5 each mean in T = 12 + 0.5n for a tank gaining half a liter a minute.

Check yourself

Your turneasy1 of 3
A tank's contents follow T = 23 + 0.7n liters after n minutes of filling. What does the 23 stand for in this situation?

End of topic.