Your neighbor leaves his yard, which is 120 ft from the bus stop. he begins to walk toward you at the bus stop and then passes you. he walks at a speed of 4 ft/s. his distance d from you after t seconds is given by d = |120 − 4t|. after how many seconds is your neighbor 30 ft from you?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.