A sprinkler was -8 feet below the ground. Mrs. Albay has a machine that digs -2 feet a time. How many digs does she need to make in order to reach the sprinkler? For items number 3 and 4, refer to the problem obove. 3. From the problem above, what mathematical operation is to be used? d. Division a. Addition c. Multiplication b. Subtraction 4. Using the problem, what is the solution and answer? b. ((-8)/ (-4)=-2 a. ((-8)/(-4)=-2 d. ((-8)/(A)=2 c. ((-8)(A) = -2