strawberries varied jointly as plums and tomatoes. if 500 strawberries with 4 plums and 25 tomatoes, how many plums would go with 40 strawberries and 2 tomatoes

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

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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.