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Gavin earned 77 extra credit points. Susan earned pp fewer extra credit points than Gavin. Write an expression that shows how many extra credit points Susan earned.

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Full solution

Q. Gavin earned 77 extra credit points. Susan earned pp fewer extra credit points than Gavin. Write an expression that shows how many extra credit points Susan earned.
  1. Calculate Susan's Points: Gavin earned 77 extra credit points. Susan earned pp fewer points than Gavin. To find Susan's points, subtract pp from Gavin's points.
  2. Write Expression: Write the expression for Susan's extra credit points: 7−p7 - p.

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