I need 8 equivalent algebraic expressions. ASAP, please

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.

Five infinity stones cost $16.80. what is the price per infinity stone ?

If a=0.333333 and b=0.55555, what is the value of a+b