### Home > CCA > Chapter 3 > Lesson 3.1.1 > Problem3-9

3-9.

Write an expression to represent the given situation. Be sure to define your variable.

Sam currently has $\150$ in a savings account and is saving $\10$ per week. Homework Help ✎

Think of this situation as Sam having $\150$, plus $\10$ times the number of weeks he has saved.

Use a variable, such as $x$, to represent the number of weeks he has been saving.

Sam has $150+10x$ dollars. Be sure to define what $x$ is in your answer.