Ruby bought 15 cell phone cases for a total of $145.80. She sells them for $19.50 each, but she is only able to sell 5 of them. What is Ruby’s net profit or loss. Show work.

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.