A freight elevator can hold a maximum weight of 4640 pounds during one trip. A 160-pound
person needs to deliver several boxes using the freight elevator. Some of these boxes weigh 22
pounds each and the others weigh 60 pounds each. Which inequality represents the possible
combinations of the number of 22-pound boxes,
, and the number of 60-pound boxes,
, the
person can deliver during one trip if only the person and the boxes are on the freight elevator?