x+ (65x+40) ≥ 300
Description of solutions:
The inequality states that the number of weeks Lily will need to save is represented by "x". She earns $65 for each week, so the expression 65x represents the total amount of money she earns from tutoring after "x" weeks. Additionally, her grandfather gives her $40, so the expression 65x+40 represents the total amount of money she has after "x" weeks. The inequality states that this total amount of money must be greater than or equal to $300 in order for Lily to have enough to buy the phone. Therefore, Lily must save for at least "x" weeks to have at least $300.