A small box of pens cost six dollars a large box of pens cost eight dollars cost of buying certain numbers of boxes of pens which ordered pair represents the cost of five small boxes and five large boxes

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.