x + (65*x + 40) ≥ 300, where x is the number of weeks Lily will need to save. Lily must save for at least 3 weeks to have at least $300.
The solutions for x in this inequality would be any number greater than or equal to 3, since Lily needs to save for at least 3 weeks to have at least $300.
Inequalities Unit Test
14 of 1514 of 15 Items
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)
x+
≥
, where x is the number of weeks Lily will need to save. Lily must save for at least
weeks to have at least $300.
1 answer