The length of a room is twice its breadth and thrice its height. If the cost of carpeting the floor at Rs 80 per sq. metre is Rs 9000, find the cost of plastering its walls and
ceiling at Rs 35 per sq. metre.

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.