Lyllie is saving up to buy his cell phone. She needs to save at least $300 before she is able to buy the phone. Her grandfather gives her $40 and she earned $65 tutoring after school each week right in inequality for the number of weeks Lyllie will need to save to have at least $300

Let x be the number of weeks Lyllie needs to save.

The amount she earns from tutoring is 65x.
The total amount of money she has is 40+65x.
The inequality is 40+65x≥300.