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The cost of a loaf of bread is now and has been increasing per year for several years.

  1. At the same rate, what will it cost in years?

    • What is the multiplier? Use the multiplier to calculate your answer.

  2. What did it cost years ago?

    • Think of this as a geometric sequence.
      Going forwards (in time) you multiply.
      How would you go backwards (in time)?