Durante la ultima Feria del Libro se vendieron 1253 libros mas que el año pasado . Si el año pasado se vendieron 23,545libros¿ cuantos se vendieron este año? Es una ecuación tipo x-a=b

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.