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Home > CC4 > Chapter 5 > Lesson 5.2.3 > Problem 5-80

5-80.

Lona received a stamp collection from her grandmother. The collection is in a leather book and currently has stamps. Lona joined a stamp club, which sends her new stamps each month. The stamp book holds a maximum of stamps. Homework Help ✎

  1. Complete the table at right.

    Continue adding to find months .

  2. How many stamps will Lona have one year from now?

    Continue the table to month .

  3. Write an equation using function notation to represent the total number of stamps that Lona has in her collection after months. Let the total be represented by .

    Remember that the initial amount was stamps and the rate is stamps per month.

  4. Solve your equation from part (c) for when . Will Lona be able to fill her book exactly with no stamps remaining? How do you know? When will the book be filled?

    Substitute for .

lona with her stamp book

Month

Stamps