Write an expression that represents the perimeter of triangle. Combine like terms.
3.x
3x
15
Perimeter of triangle:
If the perimeter of the triangle is 90, what is the value of x?

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.