Which of the following equations is equivalent to 4.12x + 5.2 = 8.23? (1) 412x + 52 = 823 (2) 412x + 520 = 823 (3) 9.32x = 8.23 (4) 0.412 + 0.52 = 8.23 --- please help

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.