During the financial crisis of 2008, the price of a barrel of Brent crude oil fell from a high of $140 per barrel to around $50 per barrel. What is the percent decrease in the price of oil that occurred during this period? Round to the nearest tenth of a percent.

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.