The teacher kept track of how long it took students to finish a test. after 80 minutes, a total of 10 students had finished the test. after 90 minutes, a total of 11 students had finished the test.
how many students finished taking the test between 30 and 40 minutes?
a. 0
b. 1
c. 2
d. 4

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.