A school will be opening a new high school in the fall. The number of
underclassmen (9th and 10th graders) must fall between 500 and 600
(inclusive), the number of upperclassmen (11th and 12th graders) must
fall between 400 and 500 (inclusive), and the number of students
cannot exceed 1000.
x represent the number of underclassmen and y represent the number of
upperclassmen. Write a system of inequalities that models the
the solution to the system of inequalities in part a