Hector water his lawn if it does not rain at least 1 1/2 inches each week. it has already rained 3/8 inch this week. which inequality represents the number of inches of rain, r , still needed so that hector does not have to water his lawn this week.

a r > inequality 1 7/8
b r > 1 7/8
c r > inequality 1 1/8
d r> 1 1/8