### Home > CCA > Chapter 9 > Lesson 9.4.3 > Problem9-119

9-119.
1. This problem is a checkpoint for writing exponential equations. It will be referred to as Checkpoint 9.

2. Write an exponential equation to represent the situation and answer the question. Homework Help ✎

1. If the cost of a loaf of bread is now $2.75 and is increasing at 5% per year, what will it cost 10 years from now? 2. The population of Flood River City is now 42,000. Experts predict the population will decrease 25% each year for the next five years. What will be the population in five years? 3. A share of Orange stock that was worth$25 in 2000 was worth \$60 in 2010. What is the multiplier and percent increase?