Marisa needs to hire at least 10 staff members for an upcoming project. The staff members will be made
up of junior directors, who will be paid $640 per
week, and senior directors, who will be paid $880 per
week. Her budget for paying the staff members is no
more than $9,700 per week. She must hire at least
3 junior directors and at least 1 senior director.
Which of the following systems of inequalities
represents the conditions described if x is the
number of junior directors and y is the number of
senior directors?