Isabelle desperately wants an I-Pod Touch. After researching on-line she discovers the l-Pod she wants is $300.
After begging her parents to buy the l-Pod for her, they make a deal with Isabelle. She can put her $50 per month
allowance toward the l-Pod and they will pay her $10.00 per hour for doing chores. How many hours will Isabelle
need to work in order to earn her beloved l-Pod? Justify your answer by writing an equation that shows how you
arrived at your answer.