water flows into a tank 200m by 150m through a rectangular pipe 1.5m by 1.25m at 20kmph. in what time (in minutes) will the water rise by 2 meters

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.