The local Toyota dealership pays an average of $9,260 with a standard deviation of $1099 for used car trade-ins. They sell new cars at an average of $28,451 with a standard deviation of $3392. Assume independence of new cars and trade-ins. What are the mean and standard deviation of the revenue this dealership should expect when a person trades in a car and purchases a new one?

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.