You are mowing lawns to earn money to buy a new video game system which costs at least $500. You plan to save every dollar you earn. In addition, you want to be able to to afford the accessories for the video game (i. e. controllers, games, etc). You already have $150. you charge 9.50 per hour. Write an inequality equation to show how many hours you need to work before you have enough money to purchase the video game and its accessories. a) Inequality equation:

b) How many hours must you work? (Hint: solve for x):