Question

Lily is saving up to buy a cellphone. She needs to save at least $300 before she is able to buy the phone. Her grandfather gives her $40, and she earns $65 tutoring after school each week. Write an inequality for the number of weeks Lily will need to save to have at least $300, and describe the solutions. (2 points)

Answer 1

Let w represent the number of weeks Lily will need to save. The inequality for the number of weeks Lily will need to save to have at least $300 is:
40 + 65w ≥ 300
The solutions to this inequality represent the number of weeks Lily will need to save in order to have at least $300.