On Saturday, the fruit and juice bar was selling 30 glasses of fruit punch an hour. By 7 p.m., they had sold 270 glasses. If their goal was to sell at least 360 glasses of fruit punch, which inequality can be used to find h, the number of hours they must stay open to make their goal?

a. 270 + 360 > 30h

b. 270 + 30h > 360

c. 270 + 30h < 360

d. 30h < 360 + 270