Which of the following is the MOST accurate explanation of the paragraph?
(A)
Ptolemy used Archimedes' method to improve understanding of pi.
Archimedes' calculations of pi were wrong and Ptolemy managed to correct his process.
Ptolemy changed Archimedes' method in order to find the real pi.
Archimedes was the only mathematician to accurately calculate pi.

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.