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Home > A2C > Chapter 2 > Lesson 2.1.7 > Problem 2-103

  1. Write equations to solve each of the following problems. Homework Help ✎

    1. When the Gleo Retro (a trendy commuter car) is brand new, it costs $23,500. Each year it loses 15% of its value. What will the car be worth when it is 15 years old?

    2. Each year the population of Algeland increases by 12%. The population is currently 14,365,112. What will the population be 20 years from now?

You need to know the starting value and multiplier to write the equation.
The multiplier for a 15% decrease can be thought of as 100% − 15%.